mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
2c6b9f71b6
- TypeAliasDecl::getAliasType() is gone. Now, getDeclaredInterfaceType() always returns the NameAliasType. - NameAliasTypes now always desugar to the underlying type as an interface type. - The NameAliasType of a generic type alias no longer desugars to an UnboundGenericType; call TypeAliasDecl::getUnboundGenericType() if you want that. - The "lazy mapTypeOutOfContext()" hack for deserialized TypeAliasDecls is gone. - The process of constructing a synthesized TypeAliasDecl is much simpler now; instead of calling computeType(), setInterfaceType() and then setting the recursive properties in the right order, just call setUnderlyingType(), passing it either an interface type or a contextual type. In particular, many places weren't setting the recursive properties, such as the ClangImporter and deserialization. This meant that queries such as hasArchetype() or hasTypeParameter() would return incorrect results on NameAliasTypes, which caused various subtle problems. - Finally, add some more tests for generic typealiases, most of which fail because they're still pretty broken.
4234 lines
127 KiB
C++
4234 lines
127 KiB
C++
//===--- ASTPrinter.cpp - Swift Language AST Printer ----------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 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 "swift/AST/ASTContext.h"
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#include "swift/AST/ASTVisitor.h"
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#include "swift/AST/ArchetypeBuilder.h"
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#include "swift/AST/Attr.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/GenericEnvironment.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/ParameterList.h"
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#include "swift/AST/PrintOptions.h"
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#include "swift/AST/Stmt.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/Defer.h"
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#include "swift/Basic/Fallthrough.h"
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#include "swift/Basic/PrimitiveParsing.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/Config.h"
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#include "swift/Parse/Lexer.h"
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#include "swift/Sema/IDETypeChecking.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/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 "llvm/ADT/StringSwitch.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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namespace swift {
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struct SynthesizedExtensionAnalyzer::Implementation {
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static bool isMemberFavored(const NominalTypeDecl* Target, const Decl* D) {
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DeclContext* DC = Target->getDeclContext();
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Type BaseTy = Target->getDeclaredTypeInContext();
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const FuncDecl *FD = dyn_cast<FuncDecl>(D);
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if (!FD)
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return true;
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ResolveMemberResult Result = resolveValueMember(*DC, BaseTy,
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FD->getEffectiveFullName());
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return !(Result && Result.Favored != D);
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}
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static bool isExtensionFavored(const NominalTypeDecl* Target,
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const ExtensionDecl *ED) {
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return std::find_if(ED->getMembers().begin(), ED->getMembers().end(),
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[&](DeclIterator It) { return isMemberFavored(Target, *It);}) !=
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ED->getMembers().end();
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}
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struct SynthesizedExtensionInfo {
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ExtensionDecl *Ext = nullptr;
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bool IsSynthesized;
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operator bool() const { return Ext; }
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SynthesizedExtensionInfo(bool IsSynthesized = true) :
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IsSynthesized(IsSynthesized) {}
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bool operator< (const SynthesizedExtensionInfo& Rhs) const {
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// Synthesized are always after actual ones.
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if (IsSynthesized != Rhs.IsSynthesized)
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return !IsSynthesized;
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// If not from the same file, sort by file name.
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if (auto LFile = Ext->getSourceFileName()) {
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if (auto RFile = Rhs.Ext->getSourceFileName()) {
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int Result = LFile.getValue().compare(RFile.getValue());
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if (Result != 0)
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return Result < 0;
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}
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}
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// Otherwise, sort by source order.
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if (auto LeftOrder = Ext->getSourceOrder()) {
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if (auto RightOrder = Rhs.Ext->getSourceOrder()) {
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return LeftOrder.getValue() < RightOrder.getValue();
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}
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}
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return false;
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}
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};
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struct ExtensionMergeInfo {
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struct Requirement {
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Type First;
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Type Second;
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RequirementKind Kind;
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bool operator< (const Requirement& Rhs) const {
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if (Kind != Rhs.Kind)
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return Kind < Rhs.Kind;
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else if (First.getPointer() != Rhs.First.getPointer())
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return First.getPointer() < Rhs.First.getPointer();
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else
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return Second.getPointer() < Rhs.Second.getPointer();
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}
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bool operator== (const Requirement& Rhs) const {
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return (!(*this < Rhs)) && (!(Rhs < *this));
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}
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};
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bool HasDocComment;
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unsigned InheritsCount;
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std::set<Requirement> Requirements;
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void addRequirement(Type First, Type Second, RequirementKind Kind) {
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Requirements.insert({First, Second, Kind});
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}
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bool operator== (const ExtensionMergeInfo& Another) const {
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// Trivially unmergeable.
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if (HasDocComment || Another.HasDocComment)
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return false;
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if (InheritsCount != 0 || Another.InheritsCount != 0)
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return false;
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return Requirements == Another.Requirements;
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}
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bool isMergeableWithTypeDef() {
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return !HasDocComment && InheritsCount == 0 && Requirements.empty();
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}
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};
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typedef llvm::MapVector<ExtensionDecl*, SynthesizedExtensionInfo> ExtensionInfoMap;
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typedef llvm::MapVector<ExtensionDecl*, ExtensionMergeInfo> ExtensionMergeInfoMap;
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struct ExtensionMergeGroup {
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unsigned RequirementsCount;
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unsigned InheritanceCount;
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MergeGroupKind Kind;
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std::vector<SynthesizedExtensionInfo*> Members;
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ExtensionMergeGroup(SynthesizedExtensionInfo *Info,
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unsigned RequirementsCount,
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unsigned InheritanceCount,
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bool MergeableWithType) :
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RequirementsCount(RequirementsCount),
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InheritanceCount(InheritanceCount),
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Kind(MergeableWithType ? MergeGroupKind::MergeableWithTypeDef :
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MergeGroupKind::UnmergeableWithTypeDef) {
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Members.push_back(Info);
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}
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void removeUnfavored(const NominalTypeDecl *Target) {
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Members.erase(std::remove_if(Members.begin(), Members.end(),
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[&](SynthesizedExtensionInfo *Info){
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return !isExtensionFavored(Target, Info->Ext);}), Members.end());
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}
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void sortMembers() {
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std::sort(Members.begin(), Members.end(),
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[](SynthesizedExtensionInfo *LHS, SynthesizedExtensionInfo *RHS) {
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return (*LHS) < (*RHS);
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});
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}
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bool operator< (const ExtensionMergeGroup& Rhs) const {
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if (RequirementsCount == Rhs.RequirementsCount)
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return InheritanceCount < Rhs.InheritanceCount;
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return RequirementsCount < Rhs.RequirementsCount;
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}
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};
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typedef std::vector<ExtensionMergeGroup> MergeGroupVector;
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NominalTypeDecl *Target;
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Type BaseType;
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DeclContext *DC;
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bool IncludeUnconditional;
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PrintOptions Options;
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MergeGroupVector AllGroups;
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std::unique_ptr<ExtensionInfoMap> InfoMap;
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Implementation(NominalTypeDecl *Target,
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bool IncludeUnconditional,
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PrintOptions Options):
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Target(Target),
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BaseType(Target->getDeclaredInterfaceType()),
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DC(Target),
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IncludeUnconditional(IncludeUnconditional),
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Options(Options), AllGroups(MergeGroupVector()),
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InfoMap(collectSynthesizedExtensionInfo(AllGroups)) {}
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unsigned countInherits(ExtensionDecl *ED) {
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unsigned Count = 0;
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for (auto TL : ED->getInherited()) {
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if (shouldPrint(TL.getType()->getAnyNominal(), Options))
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Count ++;
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}
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return Count;
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}
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std::pair<SynthesizedExtensionInfo, ExtensionMergeInfo>
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isApplicable(ExtensionDecl *Ext, bool IsSynthesized) {
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SynthesizedExtensionInfo Result(IsSynthesized);
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ExtensionMergeInfo MergeInfo;
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MergeInfo.HasDocComment = !Ext->getRawComment().isEmpty();
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MergeInfo.InheritsCount = countInherits(Ext);
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if (!Ext->isConstrainedExtension()) {
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if (IncludeUnconditional)
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Result.Ext = Ext;
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return {Result, MergeInfo};
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}
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// Get the substitutions from the generic signature of
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// the extension to the interface types of the base type's
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// declaration.
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TypeSubstitutionMap subMap;
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if (!BaseType->isAnyExistentialType())
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subMap = BaseType->getMemberSubstitutions(Ext);
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auto *M = DC->getParentModule();
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assert(Ext->getGenericSignature() && "No generic signature.");
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for (auto Req : Ext->getGenericSignature()->getRequirements()) {
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auto Kind = Req.getKind();
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Type First = Req.getFirstType().subst(
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M, subMap, SubstOptions());
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Type Second = Req.getSecondType().subst(
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M, subMap, SubstOptions());
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if (!First || !Second) {
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// Substitution with interface type bases can only fail
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// if a concrete type fails to conform to a protocol.
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// In this case, just give up on the extension altogether.
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return {Result, MergeInfo};
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}
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First = First->getCanonicalType();
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Second = Second->getCanonicalType();
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switch (Kind) {
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case RequirementKind::Conformance:
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case RequirementKind::Superclass:
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if (!canPossiblyConvertTo(First, Second, *DC))
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return {Result, MergeInfo};
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else if (!isConvertibleTo(First, Second, *DC))
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MergeInfo.addRequirement(First, Second, Kind);
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break;
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case RequirementKind::SameType:
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if (!canPossiblyEqual(First, Second, *DC)) {
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return {Result, MergeInfo};
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} else if (!First->isEqual(Second)) {
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MergeInfo.addRequirement(First, Second, Kind);
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}
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break;
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}
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}
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Result.Ext = Ext;
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return {Result, MergeInfo};
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}
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void populateMergeGroup(ExtensionInfoMap &InfoMap,
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ExtensionMergeInfoMap &MergeInfoMap,
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MergeGroupVector &Results,
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bool AllowMergeWithDefBody) {
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for (auto &Pair : InfoMap) {
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ExtensionDecl *ED = Pair.first;
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ExtensionMergeInfo &MergeInfo = MergeInfoMap[ED];
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SynthesizedExtensionInfo &ExtInfo = InfoMap[ED];
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auto Found = std::find_if(Results.begin(), Results.end(),
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[&](ExtensionMergeGroup &Group) {
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return MergeInfo == MergeInfoMap[Group.Members.front()->Ext];
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});
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if (Found == Results.end()) {
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Results.push_back({&ExtInfo,
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(unsigned)MergeInfo.Requirements.size(),
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MergeInfo.InheritsCount,
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AllowMergeWithDefBody && MergeInfo.isMergeableWithTypeDef()});
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} else {
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Found->Members.push_back(&ExtInfo);
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}
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}
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}
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std::unique_ptr<ExtensionInfoMap>
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collectSynthesizedExtensionInfoForProtocol(MergeGroupVector &AllGroups) {
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std::unique_ptr<ExtensionInfoMap> InfoMap(new ExtensionInfoMap());
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ExtensionMergeInfoMap MergeInfoMap;
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for (auto *E : Target->getExtensions()) {
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if (!shouldPrint(E, Options))
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continue;
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auto Pair = isApplicable(E, /*Synthesized*/false);
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if (Pair.first) {
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InfoMap->insert({E, Pair.first});
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MergeInfoMap.insert({E, Pair.second});
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}
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}
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populateMergeGroup(*InfoMap, MergeInfoMap, AllGroups,
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/*AllowMergeWithDefBody*/false);
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std::sort(AllGroups.begin(), AllGroups.end());
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for (auto &Group : AllGroups) {
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Group.sortMembers();
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}
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return InfoMap;
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}
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static bool isEnumRawType(const Decl* D, TypeLoc TL) {
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assert (TL.getType());
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if (auto ED = dyn_cast<EnumDecl>(D)) {
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return ED->hasRawType() && ED->getRawType()->isEqual(TL.getType());
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}
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return false;
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}
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std::unique_ptr<ExtensionInfoMap>
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collectSynthesizedExtensionInfo(MergeGroupVector &AllGroups) {
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if (Target->getKind() == DeclKind::Protocol) {
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return collectSynthesizedExtensionInfoForProtocol(AllGroups);
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}
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std::unique_ptr<ExtensionInfoMap> InfoMap(new ExtensionInfoMap());
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ExtensionMergeInfoMap MergeInfoMap;
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std::vector<NominalTypeDecl*> Unhandled;
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auto addTypeLocNominal = [&](TypeLoc TL) {
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if (TL.getType()) {
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if (auto D = TL.getType()->getAnyNominal()) {
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Unhandled.push_back(D);
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}
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}
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};
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for (auto TL : Target->getInherited()) {
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if (!isEnumRawType(Target, TL))
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addTypeLocNominal(TL);
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}
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while (!Unhandled.empty()) {
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NominalTypeDecl* Back = Unhandled.back();
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Unhandled.pop_back();
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for (ExtensionDecl *E : Back->getExtensions()) {
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if (!shouldPrint(E, Options))
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continue;
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auto Pair = isApplicable(E, /*Synthesized*/true);
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if (Pair.first) {
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InfoMap->insert({E, Pair.first});
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MergeInfoMap.insert({E, Pair.second});
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}
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for (auto TL : Back->getInherited()) {
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if (!isEnumRawType(Target, TL))
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addTypeLocNominal(TL);
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}
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}
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}
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// Merge with actual extensions.
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for (auto *E : Target->getExtensions()) {
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if (!shouldPrint(E, Options))
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continue;
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auto Pair = isApplicable(E, /*Synthesized*/false);
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if (Pair.first) {
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InfoMap->insert({E, Pair.first});
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MergeInfoMap.insert({E, Pair.second});
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}
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}
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populateMergeGroup(*InfoMap, MergeInfoMap, AllGroups,
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/*AllowMergeWithDefBody*/true);
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std::sort(AllGroups.begin(), AllGroups.end());
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for (auto &Group : AllGroups) {
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Group.removeUnfavored(Target);
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Group.sortMembers();
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}
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AllGroups.erase(std::remove_if(AllGroups.begin(), AllGroups.end(),
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[](ExtensionMergeGroup &Group) { return Group.Members.empty(); }),
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AllGroups.end());
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return InfoMap;
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}
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};
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SynthesizedExtensionAnalyzer::
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SynthesizedExtensionAnalyzer(NominalTypeDecl *Target,
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PrintOptions Options,
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bool IncludeUnconditional):
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Impl(*(new Implementation(Target, IncludeUnconditional, Options))) {}
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SynthesizedExtensionAnalyzer::~SynthesizedExtensionAnalyzer() {delete &Impl;}
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bool SynthesizedExtensionAnalyzer::
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isInSynthesizedExtension(const ValueDecl *VD) {
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if (auto Ext = dyn_cast_or_null<ExtensionDecl>(VD->getDeclContext()->
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getInnermostTypeContext())) {
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return Impl.InfoMap->count(Ext) != 0 &&
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Impl.InfoMap->find(Ext)->second.IsSynthesized;
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}
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return false;
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}
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void SynthesizedExtensionAnalyzer::
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forEachExtensionMergeGroup(MergeGroupKind Kind, ExtensionGroupOperation Fn) {
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for (auto &Group : Impl.AllGroups) {
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if (Kind != MergeGroupKind::All) {
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if (Kind != Group.Kind)
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continue;
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}
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std::vector<ExtensionAndIsSynthesized> GroupContent;
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for (auto &Member : Group.Members) {
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GroupContent.push_back({Member->Ext, Member->IsSynthesized});
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}
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Fn(llvm::makeArrayRef(GroupContent));
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}
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}
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bool SynthesizedExtensionAnalyzer::
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hasMergeGroup(MergeGroupKind Kind) {
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for (auto &Group : Impl.AllGroups) {
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if (Kind == MergeGroupKind::All)
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return true;
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if (Kind == Group.Kind)
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return true;
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}
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return false;
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}
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} // end anonymous namespace
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PrintOptions PrintOptions::printTypeInterface(Type T) {
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PrintOptions result = printInterface();
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result.PrintExtensionFromConformingProtocols = true;
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result.TransformContext = TypeTransformContext(T);
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result.printExtensionContentAsMembers = [T](const ExtensionDecl *ED) {
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return isExtensionApplied(*T->getNominalOrBoundGenericNominal()->
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getDeclContext(), T, ED);
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};
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return result;
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}
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void PrintOptions::setBaseType(Type T) {
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TransformContext = TypeTransformContext(T);
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}
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void PrintOptions::initForSynthesizedExtension(NominalTypeDecl *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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TypeTransformContext::TypeTransformContext(Type T)
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: BaseType(T.getPointer()) {}
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TypeTransformContext::TypeTransformContext(NominalTypeDecl *NTD)
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: BaseType(NTD->getDeclaredTypeInContext().getPointer()), Nominal(NTD) {}
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NominalTypeDecl *TypeTransformContext::getNominal() const {
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return Nominal;
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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 Nominal != nullptr;
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}
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std::string ASTPrinter::sanitizeUtf8(StringRef Text) {
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llvm::SmallString<256> Builder;
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Builder.reserve(Text.size());
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const UTF8* Data = reinterpret_cast<const UTF8*>(Text.begin());
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const UTF8* End = reinterpret_cast<const UTF8*>(Text.end());
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StringRef Replacement = "\ufffd";
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while (Data < End) {
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auto Step = getNumBytesForUTF8(*Data);
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if (Data + Step > End) {
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Builder.append(Replacement);
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break;
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}
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if (isLegalUTF8Sequence(Data, Data + Step)) {
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Builder.append(Data, Data + Step);
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} else {
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// If malformed, add replacement characters.
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Builder.append(Replacement);
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}
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Data += Step;
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}
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return Builder.str();
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}
|
|
|
|
ValueDecl* ASTPrinter::findConformancesWithDocComment(ValueDecl *VD) {
|
|
assert(VD->getRawComment().isEmpty());
|
|
std::queue<ValueDecl*> AllConformances;
|
|
AllConformances.push(VD);
|
|
while (!AllConformances.empty()) {
|
|
auto *VD = AllConformances.front();
|
|
AllConformances.pop();
|
|
if (VD->getRawComment().isEmpty()) {
|
|
for (auto *Req : VD->getSatisfiedProtocolRequirements()) {
|
|
AllConformances.push(Req);
|
|
}
|
|
} else {
|
|
return VD;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void ASTPrinter::anchor() {}
|
|
|
|
void ASTPrinter::printIndent() {
|
|
llvm::SmallString<16> Str;
|
|
for (unsigned i = 0; i != CurrentIndentation; ++i)
|
|
Str += ' ';
|
|
|
|
printText(Str);
|
|
}
|
|
|
|
void ASTPrinter::printTextImpl(StringRef Text) {
|
|
forceNewlines();
|
|
printText(Text);
|
|
}
|
|
|
|
void ASTPrinter::printTypeRef(Type T, const TypeDecl *RefTo, Identifier Name) {
|
|
PrintNameContext Context = PrintNameContext::Normal;
|
|
if (isa<GenericTypeParamDecl>(RefTo)) {
|
|
Context = PrintNameContext::GenericParameter;
|
|
} else if (T && T->is<DynamicSelfType>()) {
|
|
assert(T->castTo<DynamicSelfType>()->getSelfType()->getAnyNominal() &&
|
|
"protocol Self handled as GenericTypeParamDecl");
|
|
Context = PrintNameContext::ClassDynamicSelf;
|
|
}
|
|
|
|
printName(Name, Context);
|
|
}
|
|
|
|
void ASTPrinter::printModuleRef(ModuleEntity Mod, Identifier Name) {
|
|
printName(Name);
|
|
}
|
|
|
|
void ASTPrinter::callPrintDeclPre(const Decl *D,
|
|
Optional<BracketOptions> Bracket) {
|
|
forceNewlines();
|
|
|
|
if (SynthesizeTarget && D->getKind() == DeclKind::Extension)
|
|
printSynthesizedExtensionPre(cast<ExtensionDecl>(D), SynthesizeTarget, Bracket);
|
|
else
|
|
printDeclPre(D, Bracket);
|
|
}
|
|
|
|
ASTPrinter &ASTPrinter::operator<<(unsigned long long N) {
|
|
llvm::SmallString<32> Str;
|
|
llvm::raw_svector_ostream OS(Str);
|
|
OS << N;
|
|
printTextImpl(OS.str());
|
|
return *this;
|
|
}
|
|
|
|
ASTPrinter &ASTPrinter::operator<<(UUID UU) {
|
|
llvm::SmallString<UUID::StringBufferSize> Str;
|
|
UU.toString(Str);
|
|
printTextImpl(Str);
|
|
return *this;
|
|
}
|
|
|
|
ASTPrinter &ASTPrinter::operator<<(DeclName name) {
|
|
llvm::SmallString<32> str;
|
|
llvm::raw_svector_ostream os(str);
|
|
name.print(os);
|
|
printTextImpl(os.str());
|
|
return *this;
|
|
}
|
|
|
|
ASTPrinter &operator<<(ASTPrinter &printer, tok keyword) {
|
|
StringRef name;
|
|
switch (keyword) {
|
|
|
|
#define KEYWORD(KW) case tok::kw_##KW: name = #KW; break;
|
|
#define POUND_KEYWORD(KW) case tok::pound_##KW: name = "#"#KW; break;
|
|
#include "swift/Parse/Tokens.def"
|
|
default:
|
|
llvm_unreachable("unexpected keyword kind");
|
|
}
|
|
printer.printKeyword(name);
|
|
return printer;
|
|
}
|
|
|
|
/// Determine whether to escape the given keyword in the given context.
|
|
static bool escapeKeywordInContext(StringRef keyword, PrintNameContext context){
|
|
switch (context) {
|
|
case PrintNameContext::Normal:
|
|
case PrintNameContext::Attribute:
|
|
return true;
|
|
case PrintNameContext::Keyword:
|
|
return false;
|
|
|
|
case PrintNameContext::ClassDynamicSelf:
|
|
case PrintNameContext::GenericParameter:
|
|
return keyword != "Self";
|
|
|
|
case PrintNameContext::FunctionParameterExternal:
|
|
case PrintNameContext::FunctionParameterLocal:
|
|
case PrintNameContext::TupleElement:
|
|
return !canBeArgumentLabel(keyword);
|
|
}
|
|
}
|
|
|
|
void ASTPrinter::printName(Identifier Name, PrintNameContext Context) {
|
|
callPrintNamePre(Context);
|
|
|
|
if (Name.empty()) {
|
|
*this << "_";
|
|
printNamePost(Context);
|
|
return;
|
|
}
|
|
bool IsKeyword = llvm::StringSwitch<bool>(Name.str())
|
|
#define KEYWORD(KW) \
|
|
.Case(#KW, true)
|
|
#include "swift/Parse/Tokens.def"
|
|
.Default(false);
|
|
|
|
if (IsKeyword)
|
|
IsKeyword = escapeKeywordInContext(Name.str(), Context);
|
|
|
|
if (IsKeyword)
|
|
*this << "`";
|
|
*this << Name.str();
|
|
if (IsKeyword)
|
|
*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,
|
|
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 {
|
|
/// \brief AST pretty-printer.
|
|
class PrintAST : public ASTVisitor<PrintAST> {
|
|
ASTPrinter &Printer;
|
|
PrintOptions Options;
|
|
unsigned IndentLevel = 0;
|
|
Decl *Current = nullptr;
|
|
Type CurrentType;
|
|
|
|
friend DeclVisitor<PrintAST>;
|
|
|
|
/// \brief 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;
|
|
}
|
|
};
|
|
|
|
/// \brief Indent the current number of indentation spaces.
|
|
void indent() {
|
|
Printer.setIndent(IndentLevel);
|
|
}
|
|
|
|
/// \brief 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);
|
|
}
|
|
|
|
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->getLocStart(), &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);
|
|
|
|
for (auto Line : Lines) {
|
|
Printer << ASTPrinter::sanitizeUtf8(Line);
|
|
Printer.printNewline();
|
|
}
|
|
}
|
|
|
|
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.StartColumn - 1;
|
|
trimLeadingWhitespaceFromLines(RawText, WhitespaceToTrim, Lines);
|
|
|
|
for (auto Line : Lines) {
|
|
Printer << Line;
|
|
Printer.printNewline();
|
|
}
|
|
}
|
|
}
|
|
|
|
void printSwiftDocumentationComment(const Decl *D) {
|
|
auto RC = D->getRawComment();
|
|
if (RC.isEmpty() && !Options.ElevateDocCommentFromConformance)
|
|
return;
|
|
|
|
if (RC.isEmpty()) {
|
|
if (auto *VD = dyn_cast<ValueDecl>(D)) {
|
|
if (auto *Req = ASTPrinter::findConformancesWithDocComment(
|
|
const_cast<ValueDecl*>(VD))) {
|
|
printRawComment(Req->getRawComment());
|
|
}
|
|
}
|
|
} else {
|
|
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 printAccessibility(Accessibility access, StringRef suffix = "") {
|
|
switch (access) {
|
|
case Accessibility::Private:
|
|
Printer << tok::kw_private;
|
|
break;
|
|
case Accessibility::FilePrivate:
|
|
Printer << tok::kw_fileprivate;
|
|
break;
|
|
case Accessibility::Internal:
|
|
if (!Options.PrintInternalAccessibilityKeyword)
|
|
return;
|
|
Printer << tok::kw_internal;
|
|
break;
|
|
case Accessibility::Public:
|
|
Printer << tok::kw_public;
|
|
break;
|
|
case Accessibility::Open:
|
|
Printer.printKeyword("open");
|
|
break;
|
|
}
|
|
Printer << suffix << " ";
|
|
}
|
|
|
|
void printAccessibility(const ValueDecl *D) {
|
|
if (!Options.PrintAccessibility || !D->hasAccessibility() ||
|
|
D->getAttrs().hasAttribute<AccessibilityAttr>())
|
|
return;
|
|
|
|
printAccessibility(D->getFormalAccess());
|
|
|
|
if (auto storageDecl = dyn_cast<AbstractStorageDecl>(D)) {
|
|
if (auto setter = storageDecl->getSetter()) {
|
|
Accessibility setterAccess = setter->getFormalAccess();
|
|
if (setterAccess != D->getFormalAccess())
|
|
printAccessibility(setterAccess, "(set)");
|
|
}
|
|
}
|
|
}
|
|
|
|
void printType(Type T) {
|
|
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;
|
|
T.print(Printer, FreshOptions);
|
|
return;
|
|
}
|
|
|
|
T.print(Printer, Options);
|
|
}
|
|
|
|
void printTransformedType(Type T) {
|
|
if (CurrentType) {
|
|
if (T->hasArchetype()) {
|
|
// Get the interface type, since TypeLocs still have
|
|
// contextual types in them.
|
|
T = ArchetypeBuilder::mapTypeOutOfContext(
|
|
Current->getInnermostDeclContext(), T);
|
|
}
|
|
|
|
// Get the innermost nominal type context.
|
|
DeclContext *DC;
|
|
if (isa<NominalTypeDecl>(Current))
|
|
DC = Current->getInnermostDeclContext();
|
|
else
|
|
DC = Current->getDeclContext();
|
|
|
|
// Get the substitutions from our base type.
|
|
auto subMap = CurrentType->getMemberSubstitutions(DC);
|
|
auto *M = DC->getParentModule();
|
|
T = T.subst(M, subMap, SubstFlags::DesugarMemberTypes);
|
|
}
|
|
|
|
printType(T);
|
|
}
|
|
|
|
void printTypeLoc(const TypeLoc &TL) {
|
|
if (CurrentType && TL.getType()) {
|
|
printTransformedType(TL.getType());
|
|
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()) {
|
|
llvm::SaveAndRestore<bool> SPTA(Options.SkipParameterTypeAttributes,
|
|
true);
|
|
repr->print(Printer, Options);
|
|
}
|
|
return;
|
|
}
|
|
|
|
TL.getType().print(Printer, Options);
|
|
}
|
|
|
|
void printAttributes(const Decl *D);
|
|
void printTypedPattern(const TypedPattern *TP);
|
|
|
|
public:
|
|
void printPattern(const Pattern *pattern);
|
|
|
|
enum GenericSignatureFlags {
|
|
PrintParams = 1,
|
|
PrintRequirements = 2,
|
|
InnermostOnly = 4,
|
|
SkipSelfRequirement = 8,
|
|
};
|
|
|
|
void printGenericSignature(const GenericSignature *genericSig,
|
|
unsigned flags);
|
|
void printSingleDepthOfGenericSignature(
|
|
ArrayRef<GenericTypeParamType *> genericParams,
|
|
ArrayRef<Requirement> requirements,
|
|
unsigned flags);
|
|
void printRequirement(const Requirement &req);
|
|
|
|
private:
|
|
bool shouldPrint(const Decl *D, bool Notify = false);
|
|
bool shouldPrintPattern(const Pattern *P);
|
|
void printPatternType(const Pattern *P);
|
|
void printAccessors(AbstractStorageDecl *ASD);
|
|
void printMembersOfDecl(Decl * NTD, bool needComma = false,
|
|
bool openBracket = true, bool closeBracket = true);
|
|
void printMembers(ArrayRef<Decl *> members, bool needComma = false,
|
|
bool openBracket = true, bool closeBracket = true);
|
|
void printNominalDeclGenericParams(NominalTypeDecl *decl);
|
|
void printNominalDeclGenericRequirements(NominalTypeDecl *decl);
|
|
void printInherited(const Decl *decl,
|
|
ArrayRef<TypeLoc> inherited,
|
|
ArrayRef<ProtocolDecl *> protos,
|
|
Type superclass = {},
|
|
bool explicitClass = false,
|
|
bool PrintAsProtocolComposition = false);
|
|
|
|
void printInherited(const NominalTypeDecl *decl,
|
|
bool explicitClass = false);
|
|
void printInherited(const EnumDecl *D);
|
|
void printInherited(const ExtensionDecl *decl);
|
|
void printInherited(const GenericTypeParamDecl *D);
|
|
|
|
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 Curried, bool ArgNameIsAPIByDefault);
|
|
|
|
void printParameterList(ParameterList *PL, Type paramListTy, bool isCurried,
|
|
std::function<bool()> isAPINameByDefault);
|
|
|
|
/// \brief Print the function parameters in curried or selector style,
|
|
/// to match the original function declaration.
|
|
void printFunctionParameters(AbstractFunctionDecl *AFD);
|
|
|
|
#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"
|
|
|
|
void printSynthesizedExtension(NominalTypeDecl* Decl,
|
|
ExtensionDecl* ExtDecl);
|
|
|
|
void printExtension(ExtensionDecl* ExtDecl);
|
|
|
|
public:
|
|
PrintAST(ASTPrinter &Printer, const PrintOptions &Options)
|
|
: Printer(Printer), Options(Options) {
|
|
if (Options.TransformContext)
|
|
CurrentType = Options.TransformContext->getBaseType();
|
|
}
|
|
|
|
using ASTVisitor::visit;
|
|
|
|
bool visit(Decl *D) {
|
|
if (!shouldPrint(D, true))
|
|
return false;
|
|
|
|
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)) {
|
|
CurrentType = CurrentType->getTypeOfMember(
|
|
Options.CurrentModule, NTD, nullptr);
|
|
}
|
|
}
|
|
|
|
SWIFT_DEFER { CurrentType = OldType; };
|
|
|
|
bool Synthesize =
|
|
Options.TransformContext &&
|
|
Options.TransformContext->isPrintingSynthesizedExtension() &&
|
|
D->getKind() == DeclKind::Extension;
|
|
if (Synthesize)
|
|
Printer.setSynthesizedTarget(Options.TransformContext->getNominal());
|
|
|
|
// We want to print a newline before doc comments. Swift code already
|
|
// handles this, but we need to insert it for clang doc comments when not
|
|
// printing other clang comments. Do it now so the printDeclPre callback
|
|
// happens after the newline.
|
|
if (Options.PrintDocumentationComments &&
|
|
!Options.PrintRegularClangComments &&
|
|
D->hasClangNode()) {
|
|
auto clangNode = D->getClangNode();
|
|
auto clangDecl = clangNode.getAsDecl();
|
|
if (clangDecl &&
|
|
clangDecl->getASTContext().getRawCommentForAnyRedecl(clangDecl)) {
|
|
Printer.printNewline();
|
|
indent();
|
|
}
|
|
}
|
|
|
|
Printer.callPrintDeclPre(D, Options.BracketOptions);
|
|
|
|
ASTVisitor::visit(D);
|
|
|
|
if (Synthesize) {
|
|
Printer.setSynthesizedTarget(nullptr);
|
|
Printer.printSynthesizedExtensionPost(
|
|
cast<ExtensionDecl>(D), Options.TransformContext->getNominal(),
|
|
Options.BracketOptions);
|
|
} else {
|
|
Printer.callPrintDeclPost(D, Options.BracketOptions);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
};
|
|
} // unnamed namespace
|
|
|
|
static StaticSpellingKind getCorrectStaticSpelling(const Decl *D) {
|
|
if (auto *VD = dyn_cast<VarDecl>(D)) {
|
|
return VD->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;
|
|
}
|
|
}
|
|
|
|
void PrintAST::printAttributes(const Decl *D) {
|
|
if (Options.SkipAttributes)
|
|
return;
|
|
|
|
// Don't print a redundant 'final' if we are printing a 'static' decl.
|
|
unsigned originalExcludeAttrCount = Options.ExcludeAttrList.size();
|
|
if (Options.PrintImplicitAttrs &&
|
|
D->getDeclContext()->getAsClassOrClassExtensionContext() &&
|
|
getCorrectStaticSpelling(D) == StaticSpellingKind::KeywordStatic) {
|
|
Options.ExcludeAttrList.push_back(DAK_Final);
|
|
}
|
|
|
|
D->getAttrs().print(Printer, Options);
|
|
|
|
Options.ExcludeAttrList.resize(originalExcludeAttrCount);
|
|
}
|
|
|
|
void PrintAST::printTypedPattern(const TypedPattern *TP) {
|
|
printPattern(TP->getSubPattern());
|
|
Printer << ": ";
|
|
printTypeLoc(TP->getTypeLoc());
|
|
}
|
|
|
|
void PrintAST::printPattern(const Pattern *pattern) {
|
|
switch (pattern->getKind()) {
|
|
case PatternKind::Any:
|
|
Printer << "_";
|
|
break;
|
|
|
|
case PatternKind::Named: {
|
|
auto named = cast<NamedPattern>(pattern);
|
|
recordDeclLoc(named->getDecl(), [&]{
|
|
Printer.printName(named->getBoundName());
|
|
});
|
|
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->getCastTypeLoc().getType().print(Printer, Options);
|
|
break;
|
|
}
|
|
|
|
case PatternKind::EnumElement: {
|
|
auto elt = cast<EnumElementPattern>(pattern);
|
|
// FIXME: Print element expr.
|
|
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:
|
|
// FIXME: Print expr.
|
|
break;
|
|
|
|
case PatternKind::Var:
|
|
if (!Options.SkipIntroducerKeywords)
|
|
Printer << (cast<VarPattern>(pattern)->isLet() ? tok::kw_let
|
|
: tok::kw_var)
|
|
<< " ";
|
|
printPattern(cast<VarPattern>(pattern)->getSubPattern());
|
|
}
|
|
}
|
|
|
|
/// If we can't find the depth of a type, return ErrorDepth.
|
|
const unsigned ErrorDepth = ~0U;
|
|
/// A helper function to return the depth of a type.
|
|
static unsigned getDepthOfType(Type ty) {
|
|
if (auto paramTy = ty->getAs<GenericTypeParamType>())
|
|
return paramTy->getDepth();
|
|
|
|
if (auto depMemTy = dyn_cast<DependentMemberType>(ty->getCanonicalType())) {
|
|
CanType rootTy;
|
|
do {
|
|
rootTy = depMemTy.getBase();
|
|
} while ((depMemTy = dyn_cast<DependentMemberType>(rootTy)));
|
|
if (auto rootParamTy = dyn_cast<GenericTypeParamType>(rootTy))
|
|
return rootParamTy->getDepth();
|
|
return ErrorDepth;
|
|
}
|
|
|
|
return ErrorDepth;
|
|
}
|
|
|
|
/// A helper function to return the depth of a requirement.
|
|
static unsigned getDepthOfRequirement(const Requirement &req) {
|
|
switch (req.getKind()) {
|
|
case RequirementKind::Conformance:
|
|
case RequirementKind::Superclass:
|
|
return getDepthOfType(req.getFirstType());
|
|
|
|
case RequirementKind::SameType: {
|
|
// 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");
|
|
}
|
|
|
|
static void getRequirementsAtDepth(const GenericSignature *genericSig,
|
|
unsigned depth,
|
|
SmallVectorImpl<Requirement> &result) {
|
|
for (auto reqt : genericSig->getRequirements()) {
|
|
unsigned currentDepth = getDepthOfRequirement(reqt);
|
|
assert(currentDepth != ErrorDepth);
|
|
if (currentDepth == depth)
|
|
result.push_back(reqt);
|
|
}
|
|
}
|
|
|
|
void PrintAST::printGenericSignature(const GenericSignature *genericSig,
|
|
unsigned flags) {
|
|
if (flags & InnermostOnly) {
|
|
auto genericParams = genericSig->getInnermostGenericParams();
|
|
unsigned depth = genericParams[0]->getDepth();
|
|
SmallVector<Requirement, 2> requirementsAtDepth;
|
|
getRequirementsAtDepth(genericSig, depth, requirementsAtDepth);
|
|
|
|
printSingleDepthOfGenericSignature(genericParams,
|
|
requirementsAtDepth, flags);
|
|
return;
|
|
}
|
|
|
|
auto genericParams = genericSig->getGenericParams();
|
|
auto requirements = genericSig->getRequirements();
|
|
|
|
if (!Options.PrintInSILBody) {
|
|
printSingleDepthOfGenericSignature(genericParams, requirements, flags);
|
|
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 for this level.
|
|
SmallVector<Requirement, 2> requirementsAtDepth;
|
|
getRequirementsAtDepth(genericSig, depth, requirementsAtDepth);
|
|
|
|
printSingleDepthOfGenericSignature(
|
|
genericParams.slice(paramIdx, lastParamIdx - paramIdx),
|
|
requirementsAtDepth, flags);
|
|
|
|
paramIdx = lastParamIdx;
|
|
}
|
|
}
|
|
|
|
void PrintAST::printSingleDepthOfGenericSignature(
|
|
ArrayRef<GenericTypeParamType *> genericParams,
|
|
ArrayRef<Requirement> requirements,
|
|
unsigned flags) {
|
|
bool printParams = (flags & PrintParams);
|
|
bool printRequirements = (flags & PrintRequirements);
|
|
|
|
TypeSubstitutionMap subMap;
|
|
ModuleDecl *M = nullptr;
|
|
|
|
if (CurrentType) {
|
|
if (!CurrentType->isAnyExistentialType()) {
|
|
auto *DC = Current->getInnermostDeclContext()->getInnermostTypeContext();
|
|
subMap = CurrentType->getMemberSubstitutions(DC);
|
|
M = DC->getParentModule();
|
|
}
|
|
}
|
|
|
|
if (printParams) {
|
|
// Print the generic parameters.
|
|
Printer << "<";
|
|
bool isFirstParam = true;
|
|
for (auto param : genericParams) {
|
|
if (isFirstParam)
|
|
isFirstParam = false;
|
|
else
|
|
Printer << ", ";
|
|
|
|
if (!subMap.empty()) {
|
|
if (auto argTy = Type(param).subst(M, subMap))
|
|
printType(argTy);
|
|
else
|
|
printType(param);
|
|
} else if (auto *GP = param->getDecl()) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::GenericParameter, GP);
|
|
Printer.printName(GP->getName(), PrintNameContext::GenericParameter);
|
|
Printer.printStructurePost(PrintStructureKind::GenericParameter, GP);
|
|
} else {
|
|
printType(param);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (printRequirements) {
|
|
// Print the requirements.
|
|
bool isFirstReq = true;
|
|
for (const auto &req : requirements) {
|
|
auto first = req.getFirstType();
|
|
auto second = req.getSecondType();
|
|
|
|
if ((flags & SkipSelfRequirement) &&
|
|
req.getKind() == RequirementKind::Conformance) {
|
|
auto proto = cast<ProtocolDecl>(second->getAnyNominal());
|
|
if (first->isEqual(proto->getSelfInterfaceType()))
|
|
continue;
|
|
}
|
|
|
|
if (!subMap.empty()) {
|
|
if (Type subFirst = first.subst(M, subMap))
|
|
first = subFirst;
|
|
if (Type subSecond = second.subst(M, subMap))
|
|
second = subSecond;
|
|
if (!(first->is<ArchetypeType>() || first->isTypeParameter()) &&
|
|
!(second->is<ArchetypeType>() || second->isTypeParameter()))
|
|
continue;
|
|
}
|
|
|
|
if (isFirstReq) {
|
|
Printer << " " << tok::kw_where << " ";
|
|
isFirstReq = false;
|
|
} else {
|
|
Printer << ", ";
|
|
}
|
|
|
|
Requirement substReq(req.getKind(), first, second);
|
|
printRequirement(substReq);
|
|
}
|
|
}
|
|
|
|
if (printParams)
|
|
Printer << ">";
|
|
}
|
|
|
|
void PrintAST::printRequirement(const Requirement &req) {
|
|
printType(req.getFirstType());
|
|
switch (req.getKind()) {
|
|
case RequirementKind::Conformance:
|
|
case RequirementKind::Superclass:
|
|
Printer << " : ";
|
|
break;
|
|
|
|
case RequirementKind::SameType:
|
|
Printer << " == ";
|
|
break;
|
|
}
|
|
printType(req.getSecondType());
|
|
}
|
|
|
|
bool swift::shouldPrintPattern(const Pattern *P, PrintOptions &Options) {
|
|
bool ShouldPrint = false;
|
|
P->forEachVariable([&](VarDecl *VD) {
|
|
ShouldPrint |= shouldPrint(VD, Options);
|
|
});
|
|
return ShouldPrint;
|
|
}
|
|
|
|
bool PrintAST::shouldPrintPattern(const Pattern *P) {
|
|
return swift::shouldPrintPattern(P, Options);
|
|
}
|
|
|
|
void PrintAST::printPatternType(const Pattern *P) {
|
|
if (P->hasType()) {
|
|
Printer << ": ";
|
|
printType(P->getType());
|
|
}
|
|
}
|
|
|
|
static bool shouldPrintAsFavorable(const Decl *D, PrintOptions &Options) {
|
|
if (!Options.TransformContext || !D->getDeclContext()->isExtensionContext() ||
|
|
!Options.TransformContext->isPrintingSynthesizedExtension())
|
|
return true;
|
|
NominalTypeDecl *Target = Options.TransformContext->getNominal();
|
|
Type BaseTy = Target->getDeclaredTypeInContext();
|
|
const FuncDecl *FD = dyn_cast<FuncDecl>(D);
|
|
if (!FD)
|
|
return true;
|
|
ResolveMemberResult Result = resolveValueMember(*Target->getDeclContext(),
|
|
BaseTy, FD->getEffectiveFullName());
|
|
return !(Result && Result.Favored != D);
|
|
}
|
|
|
|
bool swift::shouldPrint(const Decl *D, PrintOptions &Options) {
|
|
if (!shouldPrintAsFavorable(D, Options))
|
|
return false;
|
|
if (auto *ED= dyn_cast<ExtensionDecl>(D)) {
|
|
if (Options.printExtensionContentAsMembers(ED))
|
|
return false;
|
|
}
|
|
|
|
if (Options.SkipDeinit && isa<DestructorDecl>(D)) {
|
|
return false;
|
|
}
|
|
|
|
if (Options.SkipImports && isa<ImportDecl>(D)) {
|
|
return false;
|
|
}
|
|
|
|
if (Options.SkipImplicit && D->isImplicit())
|
|
return false;
|
|
|
|
if (Options.SkipUnavailable &&
|
|
D->getAttrs().isUnavailable(D->getASTContext()))
|
|
return false;
|
|
|
|
// Skip stub declarations used for prior or later variants of Swift.
|
|
if (D->getAttrs().isUnavailableInSwiftVersion())
|
|
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();
|
|
}
|
|
|
|
// Skip declarations that are not accessible.
|
|
if (auto *VD = dyn_cast<ValueDecl>(D)) {
|
|
if (Options.AccessibilityFilter > Accessibility::Private &&
|
|
VD->hasAccessibility() &&
|
|
VD->getFormalAccess() < Options.AccessibilityFilter)
|
|
return false;
|
|
}
|
|
|
|
if (Options.SkipPrivateStdlibDecls &&
|
|
D->isPrivateStdlibDecl(
|
|
/*whitelistProtocols=*/!Options.SkipUnderscoredStdlibProtocols))
|
|
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.
|
|
if (Ext->getLocalProtocols().empty()) {
|
|
bool HasMemberToPrint = false;
|
|
for (auto Member : Ext->getMembers()) {
|
|
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()->getAsClassOrClassExtensionContext())
|
|
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 entry : PD->getPatternList()) {
|
|
ShouldPrint |= shouldPrintPattern(entry.getPattern(), Options);
|
|
if (ShouldPrint)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool PrintAST::shouldPrint(const Decl *D, bool Notify) {
|
|
auto Result = swift::shouldPrint(D, Options);
|
|
if (!Result && Notify)
|
|
Printer.callAvoidPrintDeclPost(D);
|
|
return Result;
|
|
}
|
|
|
|
static bool isAccessorAssumedNonMutating(FuncDecl *accessor) {
|
|
switch (accessor->getAccessorKind()) {
|
|
case AccessorKind::IsGetter:
|
|
case AccessorKind::IsAddressor:
|
|
return true;
|
|
|
|
case AccessorKind::IsSetter:
|
|
case AccessorKind::IsWillSet:
|
|
case AccessorKind::IsDidSet:
|
|
case AccessorKind::IsMaterializeForSet:
|
|
case AccessorKind::IsMutableAddressor:
|
|
return false;
|
|
|
|
case AccessorKind::NotAccessor:
|
|
llvm_unreachable("not an addressor!");
|
|
}
|
|
llvm_unreachable("bad addressor kind");
|
|
}
|
|
|
|
static StringRef getAddressorLabel(FuncDecl *addressor) {
|
|
switch (addressor->getAddressorKind()) {
|
|
case AddressorKind::NotAddressor:
|
|
llvm_unreachable("addressor claims not to be an addressor");
|
|
case AddressorKind::Unsafe:
|
|
return "unsafeAddress";
|
|
case AddressorKind::Owning:
|
|
return "addressWithOwner";
|
|
case AddressorKind::NativeOwning:
|
|
return "addressWithNativeOwner";
|
|
case AddressorKind::NativePinning:
|
|
return "addressWithPinnedNativeOwner";
|
|
}
|
|
llvm_unreachable("bad addressor kind");
|
|
}
|
|
|
|
static StringRef getMutableAddressorLabel(FuncDecl *addressor) {
|
|
switch (addressor->getAddressorKind()) {
|
|
case AddressorKind::NotAddressor:
|
|
llvm_unreachable("addressor claims not to be an addressor");
|
|
case AddressorKind::Unsafe:
|
|
return "unsafeMutableAddress";
|
|
case AddressorKind::Owning:
|
|
return "mutableAddressWithOwner";
|
|
case AddressorKind::NativeOwning:
|
|
return "mutableAddressWithNativeOwner";
|
|
case AddressorKind::NativePinning:
|
|
return "mutableAddressWithPinnedNativeOwner";
|
|
}
|
|
llvm_unreachable("bad addressor kind");
|
|
}
|
|
|
|
void PrintAST::printAccessors(AbstractStorageDecl *ASD) {
|
|
if (isa<VarDecl>(ASD) && !Options.PrintPropertyAccessors)
|
|
return;
|
|
|
|
auto storageKind = ASD->getStorageKind();
|
|
|
|
// Never print anything for stored properties.
|
|
if (storageKind == AbstractStorageDecl::Stored)
|
|
return;
|
|
|
|
// Treat StoredWithTrivialAccessors the same as Stored unless
|
|
// we're printing for SIL, in which case we want to distinguish it
|
|
// from a pure stored property.
|
|
if (storageKind == AbstractStorageDecl::StoredWithTrivialAccessors) {
|
|
if (!Options.PrintForSIL) return;
|
|
|
|
// Don't print an accessor for a let; the parser can't handle it.
|
|
if (isa<VarDecl>(ASD) && cast<VarDecl>(ASD)->isLet())
|
|
return;
|
|
}
|
|
|
|
// We sometimes want to print the accessors abstractly
|
|
// instead of listing out how they're actually implemented.
|
|
bool inProtocol = isa<ProtocolDecl>(ASD->getDeclContext());
|
|
if (!Options.FunctionBody &&
|
|
(inProtocol ||
|
|
(Options.AbstractAccessors && !Options.FunctionDefinitions))) {
|
|
bool mutatingGetter = ASD->getGetter() && ASD->isGetterMutating();
|
|
bool settable = ASD->isSettable(nullptr);
|
|
bool nonmutatingSetter = false;
|
|
if (settable && ASD->isSetterNonMutating() && ASD->isInstanceMember() &&
|
|
!ASD->getDeclContext()->getDeclaredTypeInContext()
|
|
->hasReferenceSemantics())
|
|
nonmutatingSetter = true;
|
|
|
|
// We're about to print something like this:
|
|
// { mutating? get (nonmutating? set)? }
|
|
// But don't print "{ get set }" if we don't have to.
|
|
if (!inProtocol && !Options.PrintGetSetOnRWProperties &&
|
|
settable && !mutatingGetter && !nonmutatingSetter) {
|
|
return;
|
|
}
|
|
|
|
Printer << " {";
|
|
if (mutatingGetter) {
|
|
Printer << " ";
|
|
Printer.printKeyword("mutating");
|
|
}
|
|
Printer << " ";
|
|
Printer.printKeyword("get");
|
|
if (settable) {
|
|
if (nonmutatingSetter) {
|
|
Printer << " ";
|
|
Printer.printKeyword("nonmutating");
|
|
}
|
|
Printer << " ";
|
|
Printer.printKeyword("set");
|
|
}
|
|
Printer << " }";
|
|
return;
|
|
}
|
|
|
|
// Honor !Options.PrintGetSetOnRWProperties in the only remaining
|
|
// case where we could end up printing { get set }.
|
|
if (storageKind == AbstractStorageDecl::StoredWithTrivialAccessors ||
|
|
storageKind == AbstractStorageDecl::Computed) {
|
|
if (!Options.PrintGetSetOnRWProperties &&
|
|
!Options.FunctionDefinitions &&
|
|
ASD->getSetter() &&
|
|
!ASD->getGetter()->isMutating() &&
|
|
!ASD->getSetter()->isExplicitNonMutating()) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Otherwise, print all the concrete defining accessors.
|
|
|
|
bool PrintAccessorBody = Options.FunctionDefinitions || Options.FunctionBody;
|
|
|
|
auto PrintAccessor = [&](FuncDecl *Accessor, StringRef Label) {
|
|
if (!Accessor)
|
|
return;
|
|
if (!PrintAccessorBody) {
|
|
if (isAccessorAssumedNonMutating(Accessor)) {
|
|
if (Accessor->isMutating()) {
|
|
Printer << " ";
|
|
Printer.printKeyword("mutating");
|
|
}
|
|
} else {
|
|
if (Accessor->isExplicitNonMutating()) {
|
|
Printer << " ";
|
|
Printer.printKeyword("nonmutating");
|
|
}
|
|
}
|
|
Printer << " ";
|
|
Printer.printKeyword(Label); // Contextual keyword get, set, ...
|
|
} else {
|
|
Printer.printNewline();
|
|
IndentRAII IndentMore(*this);
|
|
indent();
|
|
visit(Accessor);
|
|
}
|
|
};
|
|
|
|
auto PrintAddressor = [&](FuncDecl *accessor) {
|
|
if (!accessor) return;
|
|
PrintAccessor(accessor, getAddressorLabel(accessor));
|
|
};
|
|
|
|
auto PrintMutableAddressor = [&](FuncDecl *accessor) {
|
|
if (!accessor) return;
|
|
PrintAccessor(accessor, getMutableAddressorLabel(accessor));
|
|
};
|
|
|
|
Printer << " {";
|
|
switch (storageKind) {
|
|
case AbstractStorageDecl::Stored:
|
|
llvm_unreachable("filtered out above!");
|
|
|
|
case AbstractStorageDecl::StoredWithTrivialAccessors:
|
|
case AbstractStorageDecl::Computed:
|
|
if (ASD->getGetter() && !ASD->getSetter() && PrintAccessorBody &&
|
|
!Options.FunctionDefinitions) {
|
|
// Omit the 'get' keyword. Directly print getter
|
|
if (auto BodyFunc = Options.FunctionBody) {
|
|
Printer.printNewline();
|
|
IndentRAII IndentBody(*this);
|
|
indent();
|
|
Printer << BodyFunc(ASD->getGetter());
|
|
}
|
|
} else {
|
|
PrintAccessor(ASD->getGetter(), "get");
|
|
PrintAccessor(ASD->getSetter(), "set");
|
|
}
|
|
break;
|
|
|
|
case AbstractStorageDecl::StoredWithObservers:
|
|
case AbstractStorageDecl::InheritedWithObservers:
|
|
PrintAccessor(ASD->getWillSetFunc(), "willSet");
|
|
PrintAccessor(ASD->getDidSetFunc(), "didSet");
|
|
break;
|
|
|
|
case AbstractStorageDecl::Addressed:
|
|
case AbstractStorageDecl::AddressedWithTrivialAccessors:
|
|
case AbstractStorageDecl::AddressedWithObservers:
|
|
PrintAddressor(ASD->getAddressor());
|
|
PrintMutableAddressor(ASD->getMutableAddressor());
|
|
if (ASD->hasObservers()) {
|
|
PrintAccessor(ASD->getWillSetFunc(), "willSet");
|
|
PrintAccessor(ASD->getDidSetFunc(), "didSet");
|
|
}
|
|
break;
|
|
|
|
case AbstractStorageDecl::ComputedWithMutableAddress:
|
|
PrintAccessor(ASD->getGetter(), "get");
|
|
PrintMutableAddressor(ASD->getMutableAddressor());
|
|
break;
|
|
}
|
|
if (PrintAccessorBody) {
|
|
Printer.printNewline();
|
|
indent();
|
|
} else
|
|
Printer << " ";
|
|
Printer << "}";
|
|
}
|
|
|
|
void PrintAST::printMembersOfDecl(Decl *D, bool needComma,
|
|
bool openBracket,
|
|
bool closeBracket) {
|
|
llvm::SmallVector<Decl *, 3> Members;
|
|
auto AddDeclFunc = [&](DeclRange Range) {
|
|
for (auto RD : Range)
|
|
Members.push_back(RD);
|
|
};
|
|
|
|
if (auto Ext = dyn_cast<ExtensionDecl>(D)) {
|
|
AddDeclFunc(Ext->getMembers());
|
|
} else if (auto NTD = dyn_cast<NominalTypeDecl>(D)) {
|
|
AddDeclFunc(NTD->getMembers());
|
|
for (auto Ext : NTD->getExtensions()) {
|
|
if (Options.printExtensionContentAsMembers(Ext))
|
|
AddDeclFunc(Ext->getMembers());
|
|
}
|
|
if (Options.PrintExtensionFromConformingProtocols) {
|
|
for (auto Conf : NTD->getAllConformances()) {
|
|
for (auto Ext : Conf->getProtocol()->getExtensions()) {
|
|
if (Options.printExtensionContentAsMembers(Ext))
|
|
AddDeclFunc(Ext->getMembers());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
printMembers(Members, needComma, openBracket, closeBracket);
|
|
}
|
|
|
|
void PrintAST::printMembers(ArrayRef<Decl *> members, bool needComma,
|
|
bool openBracket, bool closeBracket) {
|
|
if (openBracket) {
|
|
Printer << " {";
|
|
Printer.printNewline();
|
|
}
|
|
{
|
|
IndentRAII indentMore(*this);
|
|
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.EmptyLineBetweenMembers)
|
|
Printer.printNewline();
|
|
indent();
|
|
visit(member);
|
|
if (needComma && std::next(i) != iEnd)
|
|
Printer << ",";
|
|
Printer.printNewline();
|
|
}
|
|
}
|
|
indent();
|
|
if (closeBracket)
|
|
Printer << "}";
|
|
}
|
|
|
|
void PrintAST::printNominalDeclGenericParams(NominalTypeDecl *decl) {
|
|
if (decl->getGenericParams())
|
|
if (auto GenericSig = decl->getGenericSignature())
|
|
printGenericSignature(GenericSig, PrintParams | InnermostOnly);
|
|
}
|
|
|
|
void PrintAST::printNominalDeclGenericRequirements(NominalTypeDecl *decl) {
|
|
if (decl->getGenericParams())
|
|
if (auto GenericSig = decl->getGenericSignature())
|
|
printGenericSignature(GenericSig, PrintRequirements | InnermostOnly);
|
|
}
|
|
|
|
void PrintAST::printInherited(const Decl *decl,
|
|
ArrayRef<TypeLoc> inherited,
|
|
ArrayRef<ProtocolDecl *> protos,
|
|
Type superclass,
|
|
bool explicitClass,
|
|
bool PrintAsProtocolComposition) {
|
|
if (inherited.empty() && superclass.isNull() && !explicitClass) {
|
|
if (protos.empty())
|
|
return;
|
|
// If only conforms to AnyObject protocol, nothing to print.
|
|
if (protos.size() == 1) {
|
|
if (protos.front()->isSpecificProtocol(KnownProtocolKind::AnyObject))
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (inherited.empty()) {
|
|
bool PrintedColon = false;
|
|
bool PrintedInherited = false;
|
|
|
|
if (explicitClass) {
|
|
Printer << " : " << tok::kw_class;
|
|
PrintedInherited = true;
|
|
} else if (superclass) {
|
|
bool ShouldPrintSuper = true;
|
|
if (auto NTD = superclass->getAnyNominal()) {
|
|
ShouldPrintSuper = shouldPrint(NTD);
|
|
}
|
|
if (ShouldPrintSuper) {
|
|
Printer << " : ";
|
|
superclass.print(Printer, Options);
|
|
PrintedInherited = true;
|
|
}
|
|
}
|
|
|
|
bool UseProtocolCompositionSyntax =
|
|
PrintAsProtocolComposition && protos.size() > 1;
|
|
if (UseProtocolCompositionSyntax) {
|
|
Printer << " : " << tok::kw_protocol << "<";
|
|
PrintedColon = true;
|
|
}
|
|
for (auto Proto : protos) {
|
|
if (!shouldPrint(Proto))
|
|
continue;
|
|
if (Proto->isSpecificProtocol(KnownProtocolKind::AnyObject))
|
|
continue;
|
|
if (auto Enum = dyn_cast<EnumDecl>(decl)) {
|
|
// Conformance to RawRepresentable is implied by having a raw type.
|
|
if (Enum->hasRawType()
|
|
&& Proto->isSpecificProtocol(KnownProtocolKind::RawRepresentable))
|
|
continue;
|
|
// Conformance to Equatable and Hashable is implied by being a "simple"
|
|
// no-payload enum.
|
|
if (Enum->hasOnlyCasesWithoutAssociatedValues()
|
|
&& (Proto->isSpecificProtocol(KnownProtocolKind::Equatable)
|
|
|| Proto->isSpecificProtocol(KnownProtocolKind::Hashable)))
|
|
continue;
|
|
}
|
|
|
|
if (PrintedInherited)
|
|
Printer << ", ";
|
|
else if (!PrintedColon)
|
|
Printer << " : ";
|
|
Proto->getDeclaredType()->print(Printer, Options);
|
|
PrintedInherited = true;
|
|
PrintedColon = true;
|
|
}
|
|
if (UseProtocolCompositionSyntax)
|
|
Printer << ">";
|
|
} else {
|
|
SmallVector<TypeLoc, 6> TypesToPrint;
|
|
for (auto TL : inherited) {
|
|
if (auto Ty = TL.getType()) {
|
|
if (auto NTD = Ty->getAnyNominal())
|
|
if (!shouldPrint(NTD))
|
|
continue;
|
|
}
|
|
TypesToPrint.push_back(TL);
|
|
}
|
|
if (TypesToPrint.empty())
|
|
return;
|
|
|
|
Printer << " : ";
|
|
|
|
if (explicitClass)
|
|
Printer << " " << tok::kw_class << ", ";
|
|
|
|
interleave(TypesToPrint, [&](TypeLoc TL) {
|
|
printTypeLoc(TL);
|
|
}, [&]() {
|
|
Printer << ", ";
|
|
});
|
|
}
|
|
}
|
|
|
|
void PrintAST::printInherited(const NominalTypeDecl *decl,
|
|
bool explicitClass) {
|
|
printInherited(decl, decl->getInherited(), { }, nullptr, explicitClass);
|
|
}
|
|
|
|
void PrintAST::printInherited(const EnumDecl *decl) {
|
|
printInherited(decl, decl->getInherited(), { });
|
|
}
|
|
|
|
void PrintAST::printInherited(const ExtensionDecl *decl) {
|
|
printInherited(decl, decl->getInherited(), { });
|
|
}
|
|
|
|
void PrintAST::printInherited(const GenericTypeParamDecl *D) {
|
|
printInherited(D, D->getInherited(), { });
|
|
}
|
|
|
|
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 << tok::kw_import << " ";
|
|
|
|
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;
|
|
interleave(decl->getFullAccessPath(),
|
|
[&](const ImportDecl::AccessPathElement &Elem) {
|
|
if (!Mods.empty()) {
|
|
Printer.printModuleRef(Mods.front(), Elem.first);
|
|
Mods = Mods.slice(1);
|
|
} else {
|
|
Printer << Elem.first.str();
|
|
}
|
|
},
|
|
[&] { Printer << "."; });
|
|
}
|
|
|
|
static void printExtendedTypeName(Type ExtendedType, ASTPrinter &Printer,
|
|
PrintOptions Options) {
|
|
auto Nominal = ExtendedType->getAnyNominal();
|
|
assert(Nominal && "extension of non-nominal type");
|
|
if (auto ct = ExtendedType->getAs<ClassType>()) {
|
|
if (auto ParentType = ct->getParent()) {
|
|
ParentType.print(Printer, Options);
|
|
Printer << ".";
|
|
}
|
|
}
|
|
if (auto st = ExtendedType->getAs<StructType>()) {
|
|
if (auto ParentType = st->getParent()) {
|
|
ParentType.print(Printer, Options);
|
|
Printer << ".";
|
|
}
|
|
}
|
|
|
|
// Respect alias type.
|
|
if (ExtendedType->getKind() == TypeKind::NameAlias) {
|
|
ExtendedType.print(Printer, Options);
|
|
return;
|
|
}
|
|
|
|
Printer.printTypeRef(ExtendedType, Nominal, Nominal->getName());
|
|
}
|
|
|
|
void PrintAST::
|
|
printSynthesizedExtension(NominalTypeDecl* Decl, ExtensionDecl *ExtDecl) {
|
|
if (Options.BracketOptions.shouldOpenExtension(ExtDecl)) {
|
|
printDocumentationComment(ExtDecl);
|
|
printAttributes(ExtDecl);
|
|
Printer << tok::kw_extension << " ";
|
|
|
|
printExtendedTypeName(Decl->getDeclaredType(), Printer, Options);
|
|
printInherited(ExtDecl);
|
|
|
|
if (ExtDecl->getGenericParams())
|
|
if (auto *GenericSig = ExtDecl->getGenericSignature())
|
|
printGenericSignature(GenericSig, PrintRequirements | InnermostOnly);
|
|
}
|
|
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 << "extension ";
|
|
recordDeclLoc(decl, [&]{
|
|
// We cannot extend sugared types.
|
|
Type extendedType = decl->getExtendedType();
|
|
NominalTypeDecl *nominal = extendedType ? extendedType->getAnyNominal() : nullptr;
|
|
if (!nominal) {
|
|
// Fallback to TypeRepr.
|
|
printTypeLoc(decl->getExtendedTypeLoc());
|
|
return;
|
|
}
|
|
printExtendedTypeName(extendedType, Printer, Options);
|
|
});
|
|
printInherited(decl);
|
|
|
|
if (decl->getGenericParams())
|
|
if (auto *genericSig = decl->getGenericSignature()) {
|
|
// For protocol extensions, don't print the 'Self : ...' requirement.
|
|
unsigned flags = PrintRequirements | InnermostOnly;
|
|
if (decl->getAsProtocolExtensionContext())
|
|
flags |= SkipSelfRequirement;
|
|
printGenericSignature(genericSig, flags);
|
|
}
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false,
|
|
Options.BracketOptions.shouldOpenExtension(decl),
|
|
Options.BracketOptions.shouldCloseExtension(decl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitExtensionDecl(ExtensionDecl *decl) {
|
|
if (Options.TransformContext &&
|
|
Options.TransformContext->isPrintingSynthesizedExtension())
|
|
printSynthesizedExtension(Options.TransformContext->getNominal(), 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 entry : decl->getPatternList()) {
|
|
entry.getPattern()->forEachVariable([&](VarDecl *V) {
|
|
anyVar = V;
|
|
});
|
|
if (anyVar) break;
|
|
}
|
|
|
|
if (anyVar)
|
|
printDocumentationComment(anyVar);
|
|
if (decl->isStatic())
|
|
printStaticKeyword(decl->getCorrectStaticSpelling());
|
|
|
|
// 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);
|
|
printAccessibility(anyVar);
|
|
Printer << (anyVar->isSettable(anyVar->getDeclContext()) ? "var " : "let ");
|
|
} else {
|
|
Printer << "let ";
|
|
}
|
|
|
|
bool isFirst = true;
|
|
for (auto entry : decl->getPatternList()) {
|
|
if (!shouldPrintPattern(entry.getPattern()))
|
|
continue;
|
|
if (isFirst)
|
|
isFirst = false;
|
|
else
|
|
Printer << ", ";
|
|
|
|
printPattern(entry.getPattern());
|
|
|
|
// 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>(entry.getPattern()) ||
|
|
isa<TuplePattern>(entry.getPattern())) {
|
|
printPatternType(entry.getPattern());
|
|
}
|
|
|
|
if (Options.VarInitializers) {
|
|
// FIXME: Implement once we can pretty-print expressions.
|
|
}
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitTopLevelCodeDecl(TopLevelCodeDecl *decl) {
|
|
printASTNodes(decl->getBody()->getElements(), /*NeedIndent=*/false);
|
|
}
|
|
|
|
void PrintAST::visitIfConfigDecl(IfConfigDecl *ICD) {
|
|
// FIXME: Pretty print #if decls
|
|
}
|
|
|
|
void PrintAST::visitTypeAliasDecl(TypeAliasDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
if (!Options.SkipIntroducerKeywords)
|
|
Printer << tok::kw_typealias << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
}, [&]{ // Signature
|
|
if (decl->getGenericParams())
|
|
if (auto *genericSig = decl->getGenericSignature())
|
|
printGenericSignature(genericSig, PrintParams | InnermostOnly);
|
|
});
|
|
bool ShouldPrint = true;
|
|
Type Ty = decl->getUnderlyingTypeLoc().getType();
|
|
|
|
// If the underlying type is private, don't print it.
|
|
if (Options.SkipPrivateStdlibDecls && Ty && Ty.isPrivateStdlibType())
|
|
ShouldPrint = false;
|
|
|
|
if (ShouldPrint) {
|
|
Printer << " = ";
|
|
printTypeLoc(decl->getUnderlyingTypeLoc());
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitGenericTypeParamDecl(GenericTypeParamDecl *decl) {
|
|
recordDeclLoc(decl, [&] {
|
|
Printer.printName(decl->getName(), PrintNameContext::GenericParameter);
|
|
});
|
|
|
|
printInherited(decl, decl->getInherited(), { });
|
|
}
|
|
|
|
void PrintAST::visitAssociatedTypeDecl(AssociatedTypeDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
if (!Options.SkipIntroducerKeywords)
|
|
Printer << tok::kw_associatedtype << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
|
|
printInherited(decl, decl->getInherited(), { });
|
|
|
|
if (!decl->getDefaultDefinitionLoc().isNull()) {
|
|
Printer << " = ";
|
|
decl->getDefaultDefinitionLoc().getType().print(Printer, Options);
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitEnumDecl(EnumDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
printSourceRange(CharSourceRange(Ctx.SourceMgr, decl->getStartLoc(),
|
|
decl->getBraces().Start.getAdvancedLoc(-1)), Ctx);
|
|
} else {
|
|
if (!Options.SkipIntroducerKeywords)
|
|
Printer << tok::kw_enum << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
}, [&]{ // Signature
|
|
printNominalDeclGenericParams(decl);
|
|
});
|
|
printInherited(decl);
|
|
printNominalDeclGenericRequirements(decl);
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false, true,
|
|
Options.BracketOptions.shouldCloseNominal(decl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitStructDecl(StructDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
printSourceRange(CharSourceRange(Ctx.SourceMgr, decl->getStartLoc(),
|
|
decl->getBraces().Start.getAdvancedLoc(-1)), Ctx);
|
|
} else {
|
|
if (!Options.SkipIntroducerKeywords)
|
|
Printer << tok::kw_struct << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
}, [&]{ // Signature
|
|
printNominalDeclGenericParams(decl);
|
|
});
|
|
printInherited(decl);
|
|
printNominalDeclGenericRequirements(decl);
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false, true,
|
|
Options.BracketOptions.shouldCloseNominal(decl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitClassDecl(ClassDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
printSourceRange(CharSourceRange(Ctx.SourceMgr, decl->getStartLoc(),
|
|
decl->getBraces().Start.getAdvancedLoc(-1)), Ctx);
|
|
} else {
|
|
if (!Options.SkipIntroducerKeywords)
|
|
Printer << tok::kw_class << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
}, [&]{ // Signature
|
|
printNominalDeclGenericParams(decl);
|
|
});
|
|
|
|
printInherited(decl);
|
|
printNominalDeclGenericRequirements(decl);
|
|
}
|
|
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false, true,
|
|
Options.BracketOptions.shouldCloseNominal(decl));
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitProtocolDecl(ProtocolDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
printSourceRange(CharSourceRange(Ctx.SourceMgr, decl->getStartLoc(),
|
|
decl->getBraces().Start.getAdvancedLoc(-1)), Ctx);
|
|
} else {
|
|
if (!Options.SkipIntroducerKeywords)
|
|
Printer << tok::kw_protocol << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
|
|
// Figure out whether we need an explicit 'class' in the inheritance.
|
|
bool explicitClass = false;
|
|
if (decl->requiresClass() && !decl->isObjC()) {
|
|
bool inheritsRequiresClass = false;
|
|
for (auto proto : decl->getLocalProtocols(
|
|
ConformanceLookupKind::OnlyExplicit)) {
|
|
if (proto->requiresClass()) {
|
|
inheritsRequiresClass = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!inheritsRequiresClass)
|
|
explicitClass = true;
|
|
}
|
|
|
|
printInherited(decl, explicitClass);
|
|
}
|
|
if (Options.TypeDefinitions) {
|
|
printMembersOfDecl(decl, false, true,
|
|
Options.BracketOptions.shouldCloseNominal(decl));
|
|
}
|
|
}
|
|
|
|
static bool isStructOrClassContext(DeclContext *dc) {
|
|
if (auto ctx = dc->getDeclaredTypeInContext())
|
|
return ctx->getClassOrBoundGenericClass() ||
|
|
ctx->getStructOrBoundGenericStruct();
|
|
return false;
|
|
}
|
|
|
|
static void printParameterFlags(ASTPrinter &printer, PrintOptions options,
|
|
ParameterTypeFlags flags) {
|
|
if (!options.excludeAttrKind(TAK_autoclosure) && flags.isAutoClosure())
|
|
printer << "@autoclosure ";
|
|
if (!options.excludeAttrKind(TAK_escaping) && flags.isEscaping())
|
|
printer << "@escaping ";
|
|
}
|
|
|
|
void PrintAST::visitVarDecl(VarDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
// Print @sil_stored 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<SILStoredAttr>())
|
|
Printer << "@sil_stored ";
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
if (!Options.SkipIntroducerKeywords) {
|
|
if (decl->isStatic())
|
|
printStaticKeyword(decl->getCorrectStaticSpelling());
|
|
Printer << (decl->isLet() ? tok::kw_let : tok::kw_var) << " ";
|
|
}
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
if (decl->hasInterfaceType()) {
|
|
Printer << ": ";
|
|
auto tyLoc = decl->getTypeLoc();
|
|
if (!tyLoc.getTypeRepr())
|
|
tyLoc = TypeLoc::withoutLoc(decl->getInterfaceType());
|
|
printTypeLoc(tyLoc);
|
|
}
|
|
|
|
printAccessors(decl);
|
|
}
|
|
|
|
void PrintAST::visitParamDecl(ParamDecl *decl) {
|
|
visitVarDecl(decl);
|
|
}
|
|
|
|
void PrintAST::printOneParameter(const ParamDecl *param,
|
|
ParameterTypeFlags paramFlags, bool Curried,
|
|
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::ArgumentOnly:
|
|
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;
|
|
}
|
|
SWIFT_FALLTHROUGH;
|
|
case PrintOptions::ArgAndParamPrintingMode::BothAlways:
|
|
Printer.printName(ArgName, PrintNameContext::FunctionParameterExternal);
|
|
Printer << " ";
|
|
Printer.printName(BodyName, PrintNameContext::FunctionParameterLocal);
|
|
break;
|
|
}
|
|
Printer << ": ";
|
|
};
|
|
|
|
auto TheTypeLoc = param->getTypeLoc();
|
|
|
|
printArgName();
|
|
|
|
if (!TheTypeLoc.getTypeRepr() && param->hasInterfaceType())
|
|
TheTypeLoc = TypeLoc::withoutLoc(param->getInterfaceType());
|
|
|
|
// If the parameter is variadic, we will print the "..." after it, but we have
|
|
// to strip off the added array type.
|
|
if (param->isVariadic() && TheTypeLoc.getType()) {
|
|
if (auto *BGT = TheTypeLoc.getType()->getAs<BoundGenericType>())
|
|
TheTypeLoc.setType(BGT->getGenericArgs()[0]);
|
|
}
|
|
|
|
// FIXME: don't do if will be using type repr printing
|
|
printParameterFlags(Printer, Options, paramFlags);
|
|
|
|
// Special case, if we're not going to use the type repr printing, peek
|
|
// through the paren types so that we don't print excessive @escapings.
|
|
unsigned numParens = 0;
|
|
if (!willUseTypeReprPrinting(TheTypeLoc, CurrentType, Options)) {
|
|
while (auto parenTy =
|
|
dyn_cast<ParenType>(TheTypeLoc.getType().getPointer())) {
|
|
++numParens;
|
|
TheTypeLoc = TypeLoc::withoutLoc(parenTy->getUnderlyingType());
|
|
}
|
|
}
|
|
|
|
for (unsigned i = 0; i < numParens; ++i)
|
|
Printer << "(";
|
|
printTypeLoc(TheTypeLoc);
|
|
for (unsigned i = 0; i < numParens; ++i)
|
|
Printer << ")";
|
|
|
|
if (param->isVariadic())
|
|
Printer << "...";
|
|
|
|
if (param->isDefaultArgument()) {
|
|
auto defaultArgStr
|
|
= getDefaultArgumentSpelling(param->getDefaultArgumentKind());
|
|
if (defaultArgStr.empty()) {
|
|
if (Options.PrintDefaultParameterPlaceholder)
|
|
Printer << " = " << tok::kw_default;
|
|
} else {
|
|
Printer << " = ";
|
|
|
|
switch (param->getDefaultArgumentKind()) {
|
|
case DefaultArgumentKind::File:
|
|
case DefaultArgumentKind::Line:
|
|
case DefaultArgumentKind::Column:
|
|
case DefaultArgumentKind::Function:
|
|
case DefaultArgumentKind::DSOHandle:
|
|
Printer.printKeyword(defaultArgStr);
|
|
break;
|
|
default:
|
|
Printer << defaultArgStr;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void PrintAST::printParameterList(ParameterList *PL, Type paramListTy,
|
|
bool isCurried,
|
|
std::function<bool()> isAPINameByDefault) {
|
|
SmallVector<ParameterTypeFlags, 4> paramFlags;
|
|
if (paramListTy && !paramListTy->hasError()) {
|
|
if (auto parenTy = dyn_cast<ParenType>(paramListTy.getPointer())) {
|
|
paramFlags.push_back(parenTy->getParameterFlags());
|
|
} else if (auto tupleTy = paramListTy->getAs<TupleType>()) {
|
|
for (auto elt : tupleTy->getElements())
|
|
paramFlags.push_back(elt.getParameterFlags());
|
|
} else {
|
|
paramFlags.push_back({});
|
|
}
|
|
} else {
|
|
// Malformed AST, just use default flags
|
|
paramFlags.resize(PL->size());
|
|
}
|
|
|
|
Printer << "(";
|
|
for (unsigned i = 0, e = PL->size(); i != e; ++i) {
|
|
if (i > 0)
|
|
Printer << ", ";
|
|
|
|
printOneParameter(PL->get(i), paramFlags[i], isCurried,
|
|
isAPINameByDefault());
|
|
}
|
|
Printer << ")";
|
|
}
|
|
|
|
void PrintAST::printFunctionParameters(AbstractFunctionDecl *AFD) {
|
|
auto BodyParams = AFD->getParameterLists();
|
|
auto curTy = AFD->hasInterfaceType() ? AFD->getInterfaceType() : nullptr;
|
|
|
|
// Skip over the implicit 'self'.
|
|
if (AFD->getImplicitSelfDecl()) {
|
|
BodyParams = BodyParams.slice(1);
|
|
if (curTy)
|
|
if (auto funTy = curTy->getAs<AnyFunctionType>())
|
|
curTy = funTy->getResult();
|
|
}
|
|
|
|
SmallVector<Type, 4> parameterListTypes;
|
|
for (unsigned i = 0; i < BodyParams.size(); ++i) {
|
|
if (curTy) {
|
|
if (auto funTy = curTy->getAs<AnyFunctionType>()) {
|
|
parameterListTypes.push_back(funTy->getInput());
|
|
if (i < BodyParams.size() - 1)
|
|
curTy = funTy->getResult();
|
|
} else {
|
|
parameterListTypes.push_back(curTy);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (unsigned CurrPattern = 0, NumPatterns = BodyParams.size();
|
|
CurrPattern != NumPatterns; ++CurrPattern) {
|
|
// Be extra careful in the event of printing mal-formed ASTs
|
|
auto paramListType = CurrPattern < parameterListTypes.size()
|
|
? parameterListTypes[CurrPattern]
|
|
: nullptr;
|
|
printParameterList(BodyParams[CurrPattern], paramListType,
|
|
/*Curried=*/CurrPattern > 0,
|
|
[&]()->bool {
|
|
return CurrPattern > 0 || AFD->argumentNameIsAPIByDefault();
|
|
});
|
|
}
|
|
|
|
if (AFD->hasThrows()) {
|
|
if (AFD->getAttrs().hasAttribute<RethrowsAttr>())
|
|
Printer << " " << tok::kw_rethrows;
|
|
else
|
|
Printer << " " << tok::kw_throws;
|
|
}
|
|
}
|
|
|
|
bool PrintAST::printASTNodes(const ArrayRef<ASTNode> &Elements,
|
|
bool NeedIndent) {
|
|
IndentRAII IndentMore(*this, NeedIndent);
|
|
bool PrintedSomething = false;
|
|
for (auto element : Elements) {
|
|
PrintedSomething = true;
|
|
Printer.printNewline();
|
|
indent();
|
|
if (auto decl = element.dyn_cast<Decl*>()) {
|
|
if (decl->shouldPrintInContext(Options))
|
|
visit(decl);
|
|
} else if (auto stmt = element.dyn_cast<Stmt*>()) {
|
|
visit(stmt);
|
|
} else {
|
|
// FIXME: print expression
|
|
// visit(element.get<Expr*>());
|
|
}
|
|
}
|
|
return PrintedSomething;
|
|
}
|
|
|
|
void PrintAST::visitFuncDecl(FuncDecl *decl) {
|
|
if (decl->isAccessor()) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
switch (auto kind = decl->getAccessorKind()) {
|
|
case AccessorKind::NotAccessor: break;
|
|
case AccessorKind::IsGetter:
|
|
case AccessorKind::IsAddressor:
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << (kind == AccessorKind::IsGetter
|
|
? "get" : getAddressorLabel(decl));
|
|
});
|
|
Printer << " {";
|
|
break;
|
|
case AccessorKind::IsDidSet:
|
|
case AccessorKind::IsMaterializeForSet:
|
|
case AccessorKind::IsMutableAddressor:
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << (kind == AccessorKind::IsDidSet ? "didSet" :
|
|
kind == AccessorKind::IsMaterializeForSet
|
|
? "materializeForSet"
|
|
: getMutableAddressorLabel(decl));
|
|
});
|
|
Printer << " {";
|
|
break;
|
|
case AccessorKind::IsSetter:
|
|
case AccessorKind::IsWillSet:
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << (decl->isSetter() ? "set" : "willSet");
|
|
|
|
auto params = decl->getParameterLists().back();
|
|
if (params->size() != 0 && !params->get(0)->isImplicit()) {
|
|
auto Name = params->get(0)->getName();
|
|
if (!Name.empty()) {
|
|
Printer << "(";
|
|
Printer.printName(Name);
|
|
Printer << ")";
|
|
}
|
|
}
|
|
});
|
|
Printer << " {";
|
|
}
|
|
if (auto BodyFunc = Options.FunctionBody) {
|
|
{
|
|
IndentRAII IndentBody(*this);
|
|
indent();
|
|
Printer.printNewline();
|
|
Printer << BodyFunc(decl);
|
|
}
|
|
indent();
|
|
Printer.printNewline();
|
|
} else if (Options.FunctionDefinitions && decl->getBody()) {
|
|
if (printASTNodes(decl->getBody()->getElements())) {
|
|
Printer.printNewline();
|
|
indent();
|
|
}
|
|
}
|
|
Printer << "}";
|
|
} else {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
|
|
if (Options.PrintOriginalSourceText && decl->getStartLoc().isValid()) {
|
|
ASTContext &Ctx = decl->getASTContext();
|
|
SourceLoc StartLoc = decl->getStartLoc();
|
|
SourceLoc EndLoc;
|
|
if (!decl->getBodyResultTypeLoc().isNull()) {
|
|
EndLoc = decl->getBodyResultTypeLoc().getSourceRange().End;
|
|
} else {
|
|
EndLoc = decl->getSignatureSourceRange().End;
|
|
}
|
|
CharSourceRange Range =
|
|
Lexer::getCharSourceRangeFromSourceRange(Ctx.SourceMgr,
|
|
SourceRange(StartLoc, EndLoc));
|
|
printSourceRange(Range, Ctx);
|
|
} else {
|
|
if (!Options.SkipIntroducerKeywords) {
|
|
if (decl->isStatic())
|
|
printStaticKeyword(decl->getCorrectStaticSpelling());
|
|
if (decl->isMutating() && !decl->getAttrs().hasAttribute<MutatingAttr>()) {
|
|
Printer.printKeyword("mutating");
|
|
Printer << " ";
|
|
}
|
|
Printer << tok::kw_func << " ";
|
|
}
|
|
recordDeclLoc(decl,
|
|
[&]{ // Name
|
|
if (!decl->hasName())
|
|
Printer << "<anonymous>";
|
|
else
|
|
Printer.printName(decl->getName());
|
|
}, [&] { // Parameters
|
|
if (decl->isGeneric())
|
|
if (auto *genericSig = decl->getGenericSignature())
|
|
printGenericSignature(genericSig, PrintParams | InnermostOnly);
|
|
|
|
printFunctionParameters(decl);
|
|
});
|
|
|
|
Type ResultTy = decl->getResultInterfaceType();
|
|
if (ResultTy && !ResultTy->isVoid()) {
|
|
TypeLoc ResultTyLoc = decl->getBodyResultTypeLoc();
|
|
if (!ResultTyLoc.getTypeRepr())
|
|
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 (auto *simId = dyn_cast_or_null<SimpleIdentTypeRepr>(ResultTyLoc.getTypeRepr())) {
|
|
if (simId->getIdentifier().str() == "Self")
|
|
ResultTyLoc = TypeLoc::withoutLoc(ResultTy);
|
|
}
|
|
Printer << " -> ";
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
printTypeLoc(ResultTyLoc);
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
}
|
|
if (decl->isGeneric())
|
|
if (auto *genericSig = decl->getGenericSignature())
|
|
printGenericSignature(genericSig, PrintRequirements | InnermostOnly);
|
|
}
|
|
|
|
if (auto BodyFunc = Options.FunctionBody) {
|
|
Printer << " {";
|
|
Printer.printNewline();
|
|
{
|
|
IndentRAII IndentBody(*this);
|
|
indent();
|
|
Printer << BodyFunc(decl);
|
|
}
|
|
indent();
|
|
Printer.printNewline();
|
|
Printer << "}";
|
|
|
|
} else if (Options.FunctionDefinitions && decl->getBody()) {
|
|
Printer << " ";
|
|
visit(decl->getBody());
|
|
}
|
|
}
|
|
}
|
|
|
|
void PrintAST::printEnumElement(EnumElementDecl *elt) {
|
|
recordDeclLoc(elt,
|
|
[&]{
|
|
Printer.printName(elt->getName());
|
|
});
|
|
|
|
if (elt->hasArgumentType()) {
|
|
Type Ty = elt->getArgumentType();
|
|
if (!Options.SkipPrivateStdlibDecls || !Ty.isPrivateStdlibType())
|
|
Ty.print(Printer, Options);
|
|
}
|
|
|
|
auto *raw = elt->getRawValueExpr();
|
|
if (!Options.EnumRawValues || !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);
|
|
Printer << "\"" << cast<StringLiteralExpr>(raw)->getValue() << "\"";
|
|
Printer.printStructurePost(PrintStructureKind::StringLiteral);
|
|
break;
|
|
default:
|
|
break; // Incorrect raw value; skip it for error recovery.
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitEnumCaseDecl(EnumCaseDecl *decl) {
|
|
auto elems = decl->getElements();
|
|
if (!elems.empty()) {
|
|
// Documentation comments over the case are attached to the enum elements.
|
|
printDocumentationComment(elems[0]);
|
|
}
|
|
printAttributes(decl);
|
|
Printer << tok::kw_case << " ";
|
|
|
|
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 << tok::kw_case << " ";
|
|
printEnumElement(decl);
|
|
}
|
|
|
|
void PrintAST::visitSubscriptDecl(SubscriptDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
recordDeclLoc(decl, [&]{
|
|
Printer << "subscript";
|
|
}, [&] { // Parameters
|
|
printParameterList(decl->getIndices(), decl->getIndicesInterfaceType(),
|
|
/*Curried=*/false,
|
|
/*isAPINameByDefault*/[]()->bool{return false;});
|
|
});
|
|
Printer << " -> ";
|
|
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
TypeLoc elementTy = decl->getElementTypeLoc();
|
|
if (!elementTy.getTypeRepr())
|
|
elementTy = TypeLoc::withoutLoc(decl->getElementInterfaceType());
|
|
printTypeLoc(elementTy);
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
|
|
printAccessors(decl);
|
|
}
|
|
|
|
void PrintAST::visitConstructorDecl(ConstructorDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
printAccessibility(decl);
|
|
|
|
if ((decl->getInitKind() == CtorInitializerKind::Convenience ||
|
|
decl->getInitKind() == CtorInitializerKind::ConvenienceFactory) &&
|
|
!decl->getAttrs().hasAttribute<ConvenienceAttr>()) {
|
|
Printer.printKeyword("convenience");
|
|
Printer << " ";
|
|
} else if (decl->getInitKind() == CtorInitializerKind::Factory) {
|
|
Printer << "/*not inherited*/ ";
|
|
}
|
|
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << "init";
|
|
}, [&] { // Signature
|
|
switch (decl->getFailability()) {
|
|
case OTK_None:
|
|
break;
|
|
|
|
case OTK_Optional:
|
|
Printer << "?";
|
|
break;
|
|
|
|
case OTK_ImplicitlyUnwrappedOptional:
|
|
Printer << "!";
|
|
break;
|
|
}
|
|
|
|
if (decl->isGeneric())
|
|
if (auto *genericSig = decl->getGenericSignature())
|
|
printGenericSignature(genericSig, PrintParams | InnermostOnly);
|
|
|
|
printFunctionParameters(decl);
|
|
});
|
|
|
|
if (decl->isGeneric())
|
|
if (auto *genericSig = decl->getGenericSignature())
|
|
printGenericSignature(genericSig, PrintRequirements | InnermostOnly);
|
|
|
|
if (auto BodyFunc = Options.FunctionBody) {
|
|
Printer << " {";
|
|
{
|
|
Printer.printNewline();
|
|
IndentRAII IndentBody(*this);
|
|
indent();
|
|
Printer << BodyFunc(decl);
|
|
}
|
|
indent();
|
|
Printer.printNewline();
|
|
Printer << "}";
|
|
} else if (Options.FunctionDefinitions && decl->getBody()) {
|
|
Printer << " ";
|
|
visit(decl->getBody());
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitDestructorDecl(DestructorDecl *decl) {
|
|
printDocumentationComment(decl);
|
|
printAttributes(decl);
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer << "deinit";
|
|
});
|
|
|
|
if (!Options.FunctionDefinitions || !decl->getBody()) {
|
|
return;
|
|
}
|
|
|
|
Printer << " ";
|
|
visit(decl->getBody());
|
|
}
|
|
|
|
void PrintAST::visitInfixOperatorDecl(InfixOperatorDecl *decl) {
|
|
Printer.printKeyword("infix");
|
|
Printer << " " << tok::kw_operator << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
if (!decl->getPrecedenceGroupName().empty()) {
|
|
Printer << " : " << decl->getPrecedenceGroupName();
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitPrecedenceGroupDecl(PrecedenceGroupDecl *decl) {
|
|
Printer << tok::kw_precedencegroup << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
Printer << " {";
|
|
Printer.printNewline();
|
|
{
|
|
IndentRAII indentMore(*this);
|
|
if (!decl->isAssociativityImplicit() ||
|
|
!decl->isNonAssociative()) {
|
|
indent();
|
|
Printer.printKeyword("associativity");
|
|
Printer << ": ";
|
|
switch (decl->getAssociativity()) {
|
|
case Associativity::None:
|
|
Printer.printKeyword("none");
|
|
break;
|
|
case Associativity::Left:
|
|
Printer.printKeyword("left");
|
|
break;
|
|
case Associativity::Right:
|
|
Printer.printKeyword("right");
|
|
break;
|
|
}
|
|
Printer.printNewline();
|
|
}
|
|
if (!decl->isAssignmentImplicit() ||
|
|
decl->isAssignment()) {
|
|
indent();
|
|
Printer.printKeyword("assignment");
|
|
Printer << ": ";
|
|
Printer.printKeyword(decl->isAssignment() ? "true" : "false");
|
|
Printer.printNewline();
|
|
}
|
|
if (!decl->getHigherThan().empty()) {
|
|
indent();
|
|
Printer.printKeyword("higherThan");
|
|
Printer << ": ";
|
|
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");
|
|
Printer << ": ";
|
|
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");
|
|
Printer << " " << tok::kw_operator << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
}
|
|
|
|
void PrintAST::visitPostfixOperatorDecl(PostfixOperatorDecl *decl) {
|
|
Printer.printKeyword("postfix");
|
|
Printer << " " << tok::kw_operator << " ";
|
|
recordDeclLoc(decl,
|
|
[&]{
|
|
Printer.printName(decl->getName());
|
|
});
|
|
}
|
|
|
|
void PrintAST::visitModuleDecl(ModuleDecl *decl) { }
|
|
|
|
void PrintAST::visitBraceStmt(BraceStmt *stmt) {
|
|
Printer << "{";
|
|
printASTNodes(stmt->getElements());
|
|
Printer.printNewline();
|
|
indent();
|
|
Printer << "}";
|
|
}
|
|
|
|
void PrintAST::visitReturnStmt(ReturnStmt *stmt) {
|
|
Printer << tok::kw_return;
|
|
if (stmt->hasResult()) {
|
|
Printer << " ";
|
|
// FIXME: print expression.
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitThrowStmt(ThrowStmt *stmt) {
|
|
Printer << tok::kw_throw << " ";
|
|
// FIXME: print expression.
|
|
}
|
|
|
|
void PrintAST::visitDeferStmt(DeferStmt *stmt) {
|
|
Printer << tok::kw_defer << " ";
|
|
visit(stmt->getBodyAsWritten());
|
|
}
|
|
|
|
void PrintAST::visitIfStmt(IfStmt *stmt) {
|
|
Printer << tok::kw_if << " ";
|
|
// FIXME: print condition
|
|
Printer << " ";
|
|
visit(stmt->getThenStmt());
|
|
if (auto elseStmt = stmt->getElseStmt()) {
|
|
Printer << " " << tok::kw_else << " ";
|
|
visit(elseStmt);
|
|
}
|
|
}
|
|
void PrintAST::visitGuardStmt(GuardStmt *stmt) {
|
|
Printer << tok::kw_guard << " ";
|
|
// FIXME: print condition
|
|
Printer << " ";
|
|
visit(stmt->getBody());
|
|
}
|
|
|
|
void PrintAST::visitIfConfigStmt(IfConfigStmt *stmt) {
|
|
if (!Options.PrintIfConfig)
|
|
return;
|
|
|
|
for (auto &Clause : stmt->getClauses()) {
|
|
if (&Clause == &*stmt->getClauses().begin())
|
|
Printer << tok::pound_if << " "; // FIXME: print condition
|
|
else if (Clause.Cond)
|
|
Printer << tok::pound_elseif << ""; // FIXME: print condition
|
|
else
|
|
Printer << tok::pound_else;
|
|
Printer.printNewline();
|
|
if (printASTNodes(Clause.Elements)) {
|
|
Printer.printNewline();
|
|
indent();
|
|
}
|
|
}
|
|
Printer.printNewline();
|
|
Printer << tok::pound_endif;
|
|
}
|
|
|
|
void PrintAST::visitWhileStmt(WhileStmt *stmt) {
|
|
Printer << tok::kw_while << " ";
|
|
// FIXME: print condition
|
|
Printer << " ";
|
|
visit(stmt->getBody());
|
|
}
|
|
|
|
void PrintAST::visitRepeatWhileStmt(RepeatWhileStmt *stmt) {
|
|
Printer << tok::kw_do << " ";
|
|
visit(stmt->getBody());
|
|
Printer << " " << tok::kw_while << " ";
|
|
// FIXME: print condition
|
|
}
|
|
|
|
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()) {
|
|
visitCatchStmt(clause);
|
|
}
|
|
}
|
|
|
|
void PrintAST::visitCatchStmt(CatchStmt *stmt) {
|
|
Printer << tok::kw_catch << " ";
|
|
printPattern(stmt->getErrorPattern());
|
|
if (auto guard = stmt->getGuardExpr()) {
|
|
Printer << " " << tok::kw_where << " ";
|
|
// FIXME: print guard expression
|
|
(void) guard;
|
|
}
|
|
Printer << ' ';
|
|
visit(stmt->getBody());
|
|
}
|
|
|
|
void PrintAST::visitForStmt(ForStmt *stmt) {
|
|
Printer << tok::kw_for << " (";
|
|
// FIXME: print initializer
|
|
Printer << "; ";
|
|
if (stmt->getCond().isNonNull()) {
|
|
// FIXME: print cond
|
|
}
|
|
Printer << "; ";
|
|
// FIXME: print increment
|
|
Printer << ") ";
|
|
visit(stmt->getBody());
|
|
}
|
|
|
|
void PrintAST::visitForEachStmt(ForEachStmt *stmt) {
|
|
Printer << tok::kw_for << " ";
|
|
printPattern(stmt->getPattern());
|
|
Printer << " " << tok::kw_in << " ";
|
|
// FIXME: print container
|
|
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 << " ";
|
|
// FIXME: print subject
|
|
Printer << "{";
|
|
Printer.printNewline();
|
|
for (CaseStmt *C : stmt->getCases()) {
|
|
visit(C);
|
|
}
|
|
Printer.printNewline();
|
|
indent();
|
|
Printer << "}";
|
|
}
|
|
|
|
void PrintAST::visitCaseStmt(CaseStmt *CS) {
|
|
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 << ":";
|
|
Printer.printNewline();
|
|
|
|
printASTNodes((cast<BraceStmt>(CS->getBody())->getElements()));
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
bool Decl::shouldPrintInContext(const PrintOptions &PO) const {
|
|
// Skip getters/setters. They are part of the variable or subscript.
|
|
if (isa<FuncDecl>(this) && cast<FuncDecl>(this)->isAccessor())
|
|
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() &&
|
|
VD->getStorageKind() != VarDecl::StoredWithObservers)
|
|
return false;
|
|
}
|
|
|
|
// Skip pattern bindings that consist of just one computed variable.
|
|
if (auto pbd = dyn_cast<PatternBindingDecl>(this)) {
|
|
if (pbd->getPatternList().size() == 1) {
|
|
auto pattern =
|
|
pbd->getPatternList()[0].getPattern()->getSemanticsProvidingPattern();
|
|
if (auto named = dyn_cast<NamedPattern>(pattern)) {
|
|
auto StorageKind = named->getDecl()->getStorageKind();
|
|
if (StorageKind == VarDecl::Computed ||
|
|
StorageKind == VarDecl::StoredWithObservers)
|
|
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
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
class TypePrinter : public TypeVisitor<TypePrinter> {
|
|
using super = TypeVisitor;
|
|
|
|
ASTPrinter &Printer;
|
|
const PrintOptions &Options;
|
|
|
|
void printGenericArgs(ArrayRef<Type> Args) {
|
|
if (Args.empty())
|
|
return;
|
|
|
|
Printer << "<";
|
|
bool First = true;
|
|
for (Type Arg : Args) {
|
|
if (First)
|
|
First = false;
|
|
else
|
|
Printer << ", ";
|
|
visit(Arg);
|
|
}
|
|
Printer << ">";
|
|
}
|
|
|
|
static bool isSimple(Type type) {
|
|
switch (type->getKind()) {
|
|
case TypeKind::Function:
|
|
case TypeKind::GenericFunction:
|
|
return false;
|
|
|
|
case TypeKind::Metatype:
|
|
case TypeKind::ExistentialMetatype:
|
|
return !cast<AnyMetatypeType>(type.getPointer())->hasRepresentation();
|
|
|
|
case TypeKind::Archetype: {
|
|
auto arch = type->getAs<ArchetypeType>();
|
|
return !arch->isOpenedExistential();
|
|
}
|
|
|
|
case TypeKind::ProtocolComposition: {
|
|
// 'Any' and single protocol compositions are simple
|
|
auto composition = type->getAs<ProtocolCompositionType>();
|
|
return composition->getProtocols().size() <= 1;
|
|
}
|
|
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/// 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;
|
|
}
|
|
|
|
if (!isSimple(T)) {
|
|
Printer << "(";
|
|
visit(T);
|
|
Printer << ")";
|
|
} else {
|
|
visit(T);
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
void printModuleContext(T *Ty) {
|
|
Module *Mod = Ty->getDecl()->getModuleContext();
|
|
Printer.printModuleRef(Mod, Mod->getName());
|
|
Printer << ".";
|
|
}
|
|
|
|
template <typename T>
|
|
void printTypeDeclName(T *Ty) {
|
|
TypeDecl *TD = Ty->getDecl();
|
|
Printer.printTypeRef(Ty, TD, TD->getName());
|
|
}
|
|
|
|
// FIXME: we should have a callback that would tell us
|
|
// whether it's kosher to print a module name or not
|
|
bool isLLDBExpressionModule(Module *M) {
|
|
if (!M)
|
|
return false;
|
|
return M->getName().str().startswith(LLDB_EXPRESSIONS_MODULE_NAME_PREFIX);
|
|
}
|
|
|
|
bool shouldPrintFullyQualified(TypeBase *T) {
|
|
if (Options.FullyQualifiedTypes)
|
|
return true;
|
|
|
|
if (!Options.FullyQualifiedTypesIfAmbiguous)
|
|
return false;
|
|
|
|
Decl *D = T->getAnyGeneric();
|
|
|
|
// If we cannot find the declaration, be extra careful and print
|
|
// the type qualified.
|
|
if (!D)
|
|
return true;
|
|
|
|
Module *M = D->getDeclContext()->getParentModule();
|
|
|
|
if (Options.CurrentModule && M == Options.CurrentModule) {
|
|
return false;
|
|
}
|
|
|
|
// Don't print qualifiers for types from the standard library.
|
|
if (M->isStdlibModule() ||
|
|
M->getName() == M->getASTContext().Id_ObjectiveC ||
|
|
M->isSystemModule() ||
|
|
isLLDBExpressionModule(M))
|
|
return false;
|
|
|
|
// Don't print qualifiers for imported types.
|
|
for (auto File : M->getFiles()) {
|
|
if (File->getKind() == FileUnitKind::ClangModule)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public:
|
|
TypePrinter(ASTPrinter &Printer, const PrintOptions &PO)
|
|
: Printer(Printer), Options(PO) {}
|
|
|
|
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())
|
|
visit(originalType);
|
|
else
|
|
Printer << "<<error type>>";
|
|
}
|
|
|
|
void visitUnresolvedType(UnresolvedType *T) {
|
|
if (T->getASTContext().LangOpts.DebugConstraintSolver)
|
|
Printer << "<<unresolvedtype>>";
|
|
else
|
|
Printer << "_";
|
|
}
|
|
|
|
void visitBuiltinRawPointerType(BuiltinRawPointerType *T) {
|
|
Printer << "Builtin.RawPointer";
|
|
}
|
|
|
|
void visitBuiltinNativeObjectType(BuiltinNativeObjectType *T) {
|
|
Printer << "Builtin.NativeObject";
|
|
}
|
|
|
|
void visitBuiltinUnknownObjectType(BuiltinUnknownObjectType *T) {
|
|
Printer << "Builtin.UnknownObject";
|
|
}
|
|
|
|
void visitBuiltinBridgeObjectType(BuiltinBridgeObjectType *T) {
|
|
Printer << "Builtin.BridgeObject";
|
|
}
|
|
|
|
void visitBuiltinUnsafeValueBufferType(BuiltinUnsafeValueBufferType *T) {
|
|
Printer << "Builtin.UnsafeValueBuffer";
|
|
}
|
|
|
|
void visitBuiltinVectorType(BuiltinVectorType *T) {
|
|
llvm::SmallString<32> UnderlyingStrVec;
|
|
StringRef UnderlyingStr;
|
|
{
|
|
// FIXME: Ugly hack: remove the .Builtin from the element type.
|
|
{
|
|
llvm::raw_svector_ostream UnderlyingOS(UnderlyingStrVec);
|
|
T->getElementType().print(UnderlyingOS);
|
|
}
|
|
if (UnderlyingStrVec.startswith("Builtin."))
|
|
UnderlyingStr = UnderlyingStrVec.substr(8);
|
|
else
|
|
UnderlyingStr = UnderlyingStrVec;
|
|
}
|
|
|
|
Printer << "Builtin.Vec" << T->getNumElements() << "x" << UnderlyingStr;
|
|
}
|
|
|
|
void visitBuiltinIntegerType(BuiltinIntegerType *T) {
|
|
auto width = T->getWidth();
|
|
if (width.isFixedWidth()) {
|
|
Printer << "Builtin.Int" << width.getFixedWidth();
|
|
} else if (width.isPointerWidth()) {
|
|
Printer << "Builtin.Word";
|
|
} else {
|
|
llvm_unreachable("impossible bit width");
|
|
}
|
|
}
|
|
|
|
void visitBuiltinFloatType(BuiltinFloatType *T) {
|
|
switch (T->getFPKind()) {
|
|
case BuiltinFloatType::IEEE16: Printer << "Builtin.FPIEEE16"; return;
|
|
case BuiltinFloatType::IEEE32: Printer << "Builtin.FPIEEE32"; return;
|
|
case BuiltinFloatType::IEEE64: Printer << "Builtin.FPIEEE64"; return;
|
|
case BuiltinFloatType::IEEE80: Printer << "Builtin.FPIEEE80"; return;
|
|
case BuiltinFloatType::IEEE128: Printer << "Builtin.FPIEEE128"; return;
|
|
case BuiltinFloatType::PPC128: Printer << "Builtin.FPPPC128"; return;
|
|
}
|
|
}
|
|
|
|
void visitNameAliasType(NameAliasType *T) {
|
|
if (Options.PrintForSIL || Options.PrintNameAliasUnderlyingType) {
|
|
visit(T->getSinglyDesugaredType());
|
|
return;
|
|
}
|
|
|
|
auto ParentDC = T->getDecl()->getDeclContext();
|
|
auto ParentNominal = ParentDC ?
|
|
ParentDC->getAsNominalTypeOrNominalTypeExtensionContext() : nullptr;
|
|
|
|
if (ParentNominal) {
|
|
visit(ParentNominal->getDeclaredType());
|
|
Printer << ".";
|
|
} else if (shouldPrintFullyQualified(T)) {
|
|
printModuleContext(T);
|
|
}
|
|
|
|
printTypeDeclName(T);
|
|
}
|
|
|
|
void visitParenType(ParenType *T) {
|
|
Printer << "(";
|
|
printParameterFlags(Printer, Options, T->getParameterFlags());
|
|
visit(T->getUnderlyingType());
|
|
Printer << ")";
|
|
}
|
|
|
|
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 << ": ";
|
|
}
|
|
if (TD.isVararg()) {
|
|
visit(TD.getVarargBaseTy());
|
|
Printer << "...";
|
|
} else {
|
|
printParameterFlags(Printer, Options, TD.getParameterFlags());
|
|
visit(EltType);
|
|
}
|
|
}
|
|
Printer << ")";
|
|
}
|
|
|
|
void visitUnboundGenericType(UnboundGenericType *T) {
|
|
if (auto ParentType = T->getParent()) {
|
|
visit(ParentType);
|
|
Printer << ".";
|
|
} else if (shouldPrintFullyQualified(T)) {
|
|
printModuleContext(T);
|
|
}
|
|
printTypeDeclName(T);
|
|
}
|
|
|
|
void visitBoundGenericType(BoundGenericType *T) {
|
|
if (Options.SynthesizeSugarOnTypes) {
|
|
auto *NT = T->getDecl();
|
|
auto &Ctx = T->getASTContext();
|
|
if (NT == Ctx.getArrayDecl()) {
|
|
Printer << "[";
|
|
visit(T->getGenericArgs()[0]);
|
|
Printer << "]";
|
|
return;
|
|
}
|
|
if (NT == Ctx.getDictionaryDecl()) {
|
|
Printer << "[";
|
|
visit(T->getGenericArgs()[0]);
|
|
Printer << " : ";
|
|
visit(T->getGenericArgs()[1]);
|
|
Printer << "]";
|
|
return;
|
|
}
|
|
if (NT == Ctx.getOptionalDecl()) {
|
|
printWithParensIfNotSimple(T->getGenericArgs()[0]);
|
|
Printer << "?";
|
|
return;
|
|
}
|
|
if (NT == Ctx.getImplicitlyUnwrappedOptionalDecl()) {
|
|
printWithParensIfNotSimple(T->getGenericArgs()[0]);
|
|
Printer << "!";
|
|
return;
|
|
}
|
|
}
|
|
if (auto ParentType = T->getParent()) {
|
|
visit(ParentType);
|
|
Printer << ".";
|
|
} else if (shouldPrintFullyQualified(T)) {
|
|
printModuleContext(T);
|
|
}
|
|
|
|
printTypeDeclName(T);
|
|
printGenericArgs(T->getGenericArgs());
|
|
}
|
|
|
|
void visitEnumType(EnumType *T) {
|
|
if (auto ParentType = T->getParent()) {
|
|
visit(ParentType);
|
|
Printer << ".";
|
|
} else if (shouldPrintFullyQualified(T)) {
|
|
printModuleContext(T);
|
|
}
|
|
|
|
printTypeDeclName(T);
|
|
}
|
|
|
|
void visitStructType(StructType *T) {
|
|
if (auto ParentType = T->getParent()) {
|
|
visit(ParentType);
|
|
Printer << ".";
|
|
} else if (shouldPrintFullyQualified(T)) {
|
|
printModuleContext(T);
|
|
}
|
|
|
|
printTypeDeclName(T);
|
|
}
|
|
|
|
void visitClassType(ClassType *T) {
|
|
if (auto ParentType = T->getParent()) {
|
|
visit(ParentType);
|
|
Printer << ".";
|
|
} else if (shouldPrintFullyQualified(T)) {
|
|
printModuleContext(T);
|
|
}
|
|
|
|
printTypeDeclName(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;
|
|
}
|
|
}
|
|
printWithParensIfNotSimple(T->getInstanceType());
|
|
|
|
// We spell normal metatypes of existential types as .Protocol.
|
|
if (isa<MetatypeType>(T) &&
|
|
T->getInstanceType()->isAnyExistentialType()) {
|
|
Printer << ".Protocol";
|
|
} else {
|
|
Printer << ".Type";
|
|
}
|
|
}
|
|
|
|
void visitModuleType(ModuleType *T) {
|
|
Printer << "module<";
|
|
Printer.printModuleRef(T->getModule(), T->getModule()->getName());
|
|
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::ExtInfo info) {
|
|
if (Options.SkipAttributes)
|
|
return;
|
|
|
|
|
|
if (Options.PrintFunctionRepresentationAttrs &&
|
|
!Options.excludeAttrKind(TAK_convention) &&
|
|
info.getSILRepresentation() != SILFunctionType::Representation::Thick) {
|
|
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";
|
|
break;
|
|
case SILFunctionType::Representation::CFunctionPointer:
|
|
Printer << "c";
|
|
break;
|
|
case SILFunctionType::Representation::Method:
|
|
Printer << "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;
|
|
}
|
|
Printer << ")";
|
|
Printer.printStructurePost(PrintStructureKind::BuiltinAttribute);
|
|
Printer << " ";
|
|
}
|
|
}
|
|
|
|
void printFunctionExtInfo(SILFunctionType::ExtInfo info) {
|
|
if (Options.SkipAttributes)
|
|
return;
|
|
|
|
if (Options.PrintFunctionRepresentationAttrs &&
|
|
!Options.excludeAttrKind(TAK_convention) &&
|
|
info.getRepresentation() != SILFunctionType::Representation::Thick) {
|
|
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";
|
|
break;
|
|
case SILFunctionType::Representation::CFunctionPointer:
|
|
Printer << "c";
|
|
break;
|
|
case SILFunctionType::Representation::Method:
|
|
Printer << "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;
|
|
}
|
|
Printer << ")";
|
|
Printer.printStructurePost(PrintStructureKind::BuiltinAttribute);
|
|
Printer << " ";
|
|
}
|
|
|
|
if (info.isPseudogeneric()) {
|
|
Printer.printSimpleAttr("@pseudogeneric") << " ";
|
|
}
|
|
}
|
|
|
|
void visitFunctionType(FunctionType *T) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionType);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::FunctionType);
|
|
};
|
|
|
|
printFunctionExtInfo(T->getExtInfo());
|
|
|
|
// If we're stripping argument labels from types, do it when printing.
|
|
Type inputType = T->getInput();
|
|
if (auto tupleTy = dyn_cast<TupleType>(inputType.getPointer())) {
|
|
SmallVector<TupleTypeElt, 4> elements;
|
|
elements.reserve(tupleTy->getNumElements());
|
|
for (const auto &elt : tupleTy->getElements())
|
|
elements.push_back(elt.getWithoutName());
|
|
inputType = TupleType::get(elements, inputType->getASTContext());
|
|
}
|
|
|
|
bool needsParens =
|
|
!isa<ParenType>(inputType.getPointer()) &&
|
|
!inputType->is<TupleType>();
|
|
|
|
if (needsParens)
|
|
Printer << "(";
|
|
|
|
visit(inputType);
|
|
|
|
if (needsParens)
|
|
Printer << ")";
|
|
|
|
if (T->throws())
|
|
Printer << " " << tok::kw_throws;
|
|
|
|
Printer << " -> ";
|
|
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
T->getResult().print(Printer, Options);
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
}
|
|
|
|
void printGenericSignature(const GenericSignature *genericSig,
|
|
unsigned flags) {
|
|
PrintAST(Printer, Options).printGenericSignature(genericSig, flags);
|
|
}
|
|
|
|
void visitGenericFunctionType(GenericFunctionType *T) {
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionType);
|
|
SWIFT_DEFER {
|
|
Printer.printStructurePost(PrintStructureKind::FunctionType);
|
|
};
|
|
|
|
printFunctionExtInfo(T->getExtInfo());
|
|
printGenericSignature(T->getGenericSignature(),
|
|
PrintAST::PrintParams |
|
|
PrintAST::PrintRequirements);
|
|
Printer << " ";
|
|
|
|
bool needsParens =
|
|
!isa<ParenType>(T->getInput().getPointer()) &&
|
|
!T->getInput()->is<TupleType>();
|
|
|
|
if (needsParens)
|
|
Printer << "(";
|
|
|
|
visit(T->getInput());
|
|
|
|
if (needsParens)
|
|
Printer << ")";
|
|
|
|
if (T->throws())
|
|
Printer << " " << tok::kw_throws;
|
|
|
|
Printer << " -> ";
|
|
Printer.callPrintStructurePre(PrintStructureKind::FunctionReturnType);
|
|
T->getResult().print(Printer, Options);
|
|
Printer.printStructurePost(PrintStructureKind::FunctionReturnType);
|
|
}
|
|
|
|
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::Direct_Deallocating:
|
|
// Closures do not have destructors.
|
|
llvm_unreachable("callee convention cannot be deallocating");
|
|
case ParameterConvention::Indirect_In:
|
|
case ParameterConvention::Indirect_Inout:
|
|
case ParameterConvention::Indirect_InoutAliasable:
|
|
case ParameterConvention::Indirect_In_Guaranteed:
|
|
llvm_unreachable("callee convention cannot be indirect");
|
|
}
|
|
llvm_unreachable("bad convention");
|
|
}
|
|
|
|
void visitSILFunctionType(SILFunctionType *T) {
|
|
printFunctionExtInfo(T->getExtInfo());
|
|
printCalleeConvention(T->getCalleeConvention());
|
|
if (auto sig = T->getGenericSignature()) {
|
|
printGenericSignature(sig,
|
|
PrintAST::PrintParams |
|
|
PrintAST::PrintRequirements);
|
|
Printer << " ";
|
|
}
|
|
|
|
Printer << "(";
|
|
bool first = true;
|
|
for (auto param : T->getParameters()) {
|
|
Printer.printSeparator(first, ", ");
|
|
param.print(Printer, Options);
|
|
}
|
|
Printer << ") -> ";
|
|
|
|
unsigned totalResults =
|
|
T->getNumAllResults() + unsigned(T->hasErrorResult());
|
|
|
|
if (totalResults != 1) Printer << "(";
|
|
|
|
first = true;
|
|
for (auto result : T->getAllResults()) {
|
|
Printer.printSeparator(first, ", ");
|
|
result.print(Printer, Options);
|
|
}
|
|
|
|
if (T->hasErrorResult()) {
|
|
// The error result is implicitly @owned; don't print that.
|
|
assert(T->getErrorResult().getConvention() == ResultConvention::Owned);
|
|
Printer.printSeparator(first, ", ");
|
|
Printer << "@error ";
|
|
T->getErrorResult().getType().print(Printer, Options);
|
|
}
|
|
|
|
if (totalResults != 1) Printer << ")";
|
|
}
|
|
|
|
void visitSILBlockStorageType(SILBlockStorageType *T) {
|
|
Printer << "@block_storage ";
|
|
printWithParensIfNotSimple(T->getCaptureType());
|
|
}
|
|
|
|
void visitSILBoxType(SILBoxType *T) {
|
|
{
|
|
// 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.GenericEnv = 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]{
|
|
if (auto sig = T->getLayout()->getGenericSignature()) {
|
|
sub.printGenericSignature(sig,
|
|
PrintAST::PrintParams | PrintAST::PrintRequirements);
|
|
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 (!T->getGenericArgs().empty()) {
|
|
Printer << " <";
|
|
interleave(T->getGenericArgs(),
|
|
[&](const Substitution &arg) {
|
|
visit(arg.getReplacement());
|
|
}, [&]{
|
|
Printer << ", ";
|
|
});
|
|
Printer << ">";
|
|
}
|
|
}
|
|
|
|
void visitArraySliceType(ArraySliceType *T) {
|
|
Printer << "[";
|
|
visit(T->getBaseType());
|
|
Printer << "]";
|
|
}
|
|
|
|
void visitDictionaryType(DictionaryType *T) {
|
|
Printer << "[";
|
|
visit(T->getKeyType());
|
|
Printer << " : ";
|
|
visit(T->getValueType());
|
|
Printer << "]";
|
|
}
|
|
|
|
void visitOptionalType(OptionalType *T) {
|
|
printWithParensIfNotSimple(T->getBaseType());
|
|
Printer << "?";
|
|
}
|
|
|
|
void visitImplicitlyUnwrappedOptionalType(ImplicitlyUnwrappedOptionalType *T) {
|
|
printWithParensIfNotSimple(T->getBaseType());
|
|
Printer << "!";
|
|
}
|
|
|
|
void visitProtocolType(ProtocolType *T) {
|
|
printTypeDeclName(T);
|
|
}
|
|
|
|
void visitProtocolCompositionType(ProtocolCompositionType *T) {
|
|
if (T->getProtocols().empty()) {
|
|
Printer << "Any";
|
|
} else {
|
|
bool First = true;
|
|
for (auto Proto : T->getProtocols()) {
|
|
if (First)
|
|
First = false;
|
|
else
|
|
Printer << " & ";
|
|
visit(Proto);
|
|
}
|
|
}
|
|
}
|
|
|
|
void visitLValueType(LValueType *T) {
|
|
Printer << "@lvalue ";
|
|
visit(T->getObjectType());
|
|
}
|
|
|
|
void visitInOutType(InOutType *T) {
|
|
Printer << tok::kw_inout << " ";
|
|
visit(T->getObjectType());
|
|
}
|
|
|
|
void visitArchetypeType(ArchetypeType *T) {
|
|
if (auto existentialTy = T->getOpenedExistentialType()) {
|
|
if (Options.PrintForSIL)
|
|
Printer << "@opened(\"" << T->getOpenedExistentialID() << "\") ";
|
|
visit(existentialTy);
|
|
} else {
|
|
if (auto parent = T->getParent()) {
|
|
visit(parent);
|
|
Printer << ".";
|
|
}
|
|
|
|
if (Options.AlternativeTypeNames) {
|
|
auto found = Options.AlternativeTypeNames->find(T->getCanonicalType());
|
|
if (found != Options.AlternativeTypeNames->end()) {
|
|
Printer << found->second.str();
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto Name = T->getName();
|
|
if (Name.empty())
|
|
Printer << "<anonymous>";
|
|
else {
|
|
PrintNameContext context = PrintNameContext::Normal;
|
|
if (Name == T->getASTContext().Id_Self)
|
|
context = PrintNameContext::GenericParameter;
|
|
Printer.printName(Name, context);
|
|
}
|
|
}
|
|
}
|
|
|
|
void visitGenericTypeParamType(GenericTypeParamType *T) {
|
|
if (T->getDecl() == nullptr) {
|
|
// 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()) {
|
|
Printer << found->second.str();
|
|
return;
|
|
}
|
|
}
|
|
|
|
// When printing SIL types, use a generic environment to map them from
|
|
// canonical types to sugared types.
|
|
if (Options.GenericEnv)
|
|
T = Options.GenericEnv->getSugaredType(T);
|
|
}
|
|
|
|
auto Name = T->getName();
|
|
if (Name.empty())
|
|
Printer << "<anonymous>";
|
|
else {
|
|
if (T->getDecl() &&
|
|
T->getDecl()->getDeclContext()->getAsProtocolOrProtocolExtensionContext()) {
|
|
Printer.printTypeRef(T, T->getDecl(), Name);
|
|
return;
|
|
}
|
|
|
|
PrintNameContext context = PrintNameContext::Normal;
|
|
if (Name == T->getASTContext().Id_Self)
|
|
context = PrintNameContext::GenericParameter;
|
|
Printer.printName(Name, context);
|
|
}
|
|
}
|
|
|
|
void visitDependentMemberType(DependentMemberType *T) {
|
|
visit(T->getBase());
|
|
Printer << ".";
|
|
Printer.printName(T->getName());
|
|
}
|
|
|
|
void visitUnownedStorageType(UnownedStorageType *T) {
|
|
if (Options.PrintStorageRepresentationAttrs)
|
|
Printer << "@sil_unowned ";
|
|
visit(T->getReferentType());
|
|
}
|
|
|
|
void visitUnmanagedStorageType(UnmanagedStorageType *T) {
|
|
if (Options.PrintStorageRepresentationAttrs)
|
|
Printer << "@sil_unmanaged ";
|
|
visit(T->getReferentType());
|
|
}
|
|
|
|
void visitWeakStorageType(WeakStorageType *T) {
|
|
if (Options.PrintStorageRepresentationAttrs)
|
|
Printer << "@sil_weak ";
|
|
visit(T->getReferentType());
|
|
}
|
|
|
|
void visitTypeVariableType(TypeVariableType *T) {
|
|
if (T->getASTContext().LangOpts.DebugConstraintSolver) {
|
|
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())
|
|
Printer << "<null>";
|
|
else
|
|
TypePrinter(Printer, PO).visit(*this);
|
|
}
|
|
|
|
void GenericSignature::print(raw_ostream &OS) const {
|
|
StreamPrinter Printer(OS);
|
|
PrintAST(Printer, PrintOptions())
|
|
.printGenericSignature(this,
|
|
PrintAST::PrintParams |
|
|
PrintAST::PrintRequirements);
|
|
}
|
|
void GenericSignature::dump() const {
|
|
print(llvm::errs());
|
|
llvm::errs() << '\n';
|
|
}
|
|
|
|
void Requirement::dump() const {
|
|
switch (getKind()) {
|
|
case RequirementKind::Conformance:
|
|
llvm::errs() << "conforms_to: ";
|
|
break;
|
|
case RequirementKind::Superclass:
|
|
llvm::errs() << "superclass: ";
|
|
break;
|
|
case RequirementKind::SameType:
|
|
llvm::errs() << "same_type: ";
|
|
break;
|
|
}
|
|
|
|
if (getFirstType()) llvm::errs() << getFirstType() << " ";
|
|
if (getSecondType()) llvm::errs() << getSecondType();
|
|
llvm::errs() << "\n";
|
|
}
|
|
|
|
void Requirement::print(raw_ostream &os, const PrintOptions &opts) const {
|
|
StreamPrinter printer(os);
|
|
PrintAST(printer, opts).printRequirement(*this);
|
|
}
|
|
|
|
std::string GenericSignature::getAsString() const {
|
|
std::string result;
|
|
llvm::raw_string_ostream out(result);
|
|
print(out);
|
|
return out.str();
|
|
}
|
|
|
|
static StringRef 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::Direct_Owned: return "@owned ";
|
|
case ParameterConvention::Direct_Unowned: return "";
|
|
case ParameterConvention::Direct_Guaranteed: return "@guaranteed ";
|
|
case ParameterConvention::Direct_Deallocating: return "@deallocating ";
|
|
}
|
|
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::BridgeFromObjectiveC:
|
|
return "bridge_from_objc";
|
|
}
|
|
llvm_unreachable("bad checked cast name");
|
|
}
|
|
|
|
void SILParameterInfo::dump() const {
|
|
print(llvm::errs());
|
|
llvm::errs() << '\n';
|
|
}
|
|
void SILParameterInfo::print(raw_ostream &OS, const PrintOptions &Opts) const {
|
|
StreamPrinter Printer(OS);
|
|
print(Printer, Opts);
|
|
}
|
|
void SILParameterInfo::print(ASTPrinter &Printer,
|
|
const PrintOptions &Opts) const {
|
|
Printer << getStringForParameterConvention(getConvention());
|
|
getType().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 ";
|
|
}
|
|
llvm_unreachable("bad result convention");
|
|
}
|
|
|
|
void SILResultInfo::dump() const {
|
|
print(llvm::errs());
|
|
llvm::errs() << '\n';
|
|
}
|
|
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 {
|
|
Printer << getStringForResultConvention(getConvention());
|
|
getType().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();
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
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::PrintRequirements);
|
|
os << ' ';
|
|
}
|
|
}
|
|
|
|
getType()->print(os, PO);
|
|
os << ": ";
|
|
|
|
switch (getKind()) {
|
|
case ProtocolConformanceKind::Normal: {
|
|
auto normal = cast<NormalProtocolConformance>(this);
|
|
os << normal->getProtocol()->getName()
|
|
<< " module " << normal->getDeclContext()->getParentModule()->getName();
|
|
break;
|
|
}
|
|
case ProtocolConformanceKind::Specialized: {
|
|
auto spec = cast<SpecializedProtocolConformance>(this);
|
|
os << "specialize <";
|
|
interleave(spec->getGenericSubstitutions(),
|
|
[&](const Substitution &s) { s.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;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Substitution::print(llvm::raw_ostream &os,
|
|
const PrintOptions &PO) const {
|
|
Replacement->print(os, PO);
|
|
}
|