mirror of
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6f339f800d
Move the source files from ParserSIL into the SIL library and remove the ParserSIL library. ParsersSIL doesn't need to be its own library and this change will simplify our builds.
6996 lines
250 KiB
C++
6996 lines
250 KiB
C++
//===--- ParseSIL.cpp - SIL File Parsing logic ----------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "SILParserFunctionBuilder.h"
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#include "swift/AST/ASTWalker.h"
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#include "swift/AST/ExistentialLayout.h"
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#include "swift/AST/GenericEnvironment.h"
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#include "swift/AST/NameLookup.h"
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#include "swift/AST/NameLookupRequests.h"
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#include "swift/AST/ProtocolConformance.h"
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#include "swift/AST/SourceFile.h"
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#include "swift/AST/TypeCheckRequests.h"
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#include "swift/Basic/Defer.h"
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#include "swift/Basic/Timer.h"
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#include "swift/Demangling/Demangle.h"
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#include "swift/Parse/Lexer.h"
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#include "swift/Parse/ParseSILSupport.h"
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#include "swift/Parse/Parser.h"
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#include "swift/SIL/AbstractionPattern.h"
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#include "swift/SIL/InstructionUtils.h"
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#include "swift/SIL/SILArgument.h"
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#include "swift/SIL/SILBuilder.h"
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#include "swift/SIL/SILDebugScope.h"
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#include "swift/SIL/SILModule.h"
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#include "swift/SIL/SILUndef.h"
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#include "swift/SIL/TypeLowering.h"
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#include "swift/Subsystems.h"
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#include "swift/Syntax/SyntaxKind.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Support/SaveAndRestore.h"
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using namespace swift;
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using namespace swift::syntax;
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//===----------------------------------------------------------------------===//
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// SILParserState implementation
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//===----------------------------------------------------------------------===//
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namespace swift {
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// This has to be in the 'swift' namespace because it's forward-declared for
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// SILParserState.
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class SILParserTUState : public SILParserTUStateBase {
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public:
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explicit SILParserTUState(SILModule &M) : M(M) {}
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~SILParserTUState();
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SILModule &M;
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/// This is all of the forward referenced functions with
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/// the location for where the reference is.
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llvm::DenseMap<Identifier,
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Located<SILFunction*>> ForwardRefFns;
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/// A list of all functions forward-declared by a sil_scope.
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llvm::DenseSet<SILFunction *> PotentialZombieFns;
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/// A map from textual .sil scope number to SILDebugScopes.
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llvm::DenseMap<unsigned, SILDebugScope *> ScopeSlots;
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/// Did we parse a sil_stage for this module?
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bool DidParseSILStage = false;
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bool parseDeclSIL(Parser &P) override;
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bool parseDeclSILStage(Parser &P) override;
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bool parseSILVTable(Parser &P) override;
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bool parseSILGlobal(Parser &P) override;
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bool parseSILWitnessTable(Parser &P) override;
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bool parseSILDefaultWitnessTable(Parser &P) override;
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bool parseSILDifferentiabilityWitness(Parser &P) override;
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bool parseSILCoverageMap(Parser &P) override;
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bool parseSILProperty(Parser &P) override;
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bool parseSILScope(Parser &P) override;
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};
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} // end namespace swift
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SILParserTUState::~SILParserTUState() {
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if (!ForwardRefFns.empty()) {
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for (auto Entry : ForwardRefFns) {
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if (Entry.second.Loc.isValid()) {
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M.getASTContext().Diags.diagnose(Entry.second.Loc,
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diag::sil_use_of_undefined_value,
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Entry.first.str());
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}
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}
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}
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// Turn any debug-info-only function declarations into zombies.
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for (auto *Fn : PotentialZombieFns)
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if (Fn->isExternalDeclaration()) {
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Fn->setInlined();
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M.eraseFunction(Fn);
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}
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}
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SILParserState::SILParserState(SILModule *M)
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: Impl(M ? std::make_unique<SILParserTUState>(*M) : nullptr) {}
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SILParserState::~SILParserState() = default;
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void swift::parseSourceFileSIL(SourceFile &SF, SILParserState *sil) {
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auto bufferID = SF.getBufferID();
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assert(bufferID);
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FrontendStatsTracer tracer(SF.getASTContext().Stats,
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"Parsing SIL");
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Parser parser(*bufferID, SF, sil->Impl.get(),
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/*persistentParserState*/ nullptr,
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/*syntaxTreeCreator*/ nullptr);
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PrettyStackTraceParser StackTrace(parser);
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parser.parseTopLevelSIL();
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}
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//===----------------------------------------------------------------------===//
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// SILParser
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//===----------------------------------------------------------------------===//
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namespace {
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struct ParsedSubstitution {
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SourceLoc loc;
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Type replacement;
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};
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struct ParsedSpecAttr {
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ArrayRef<RequirementRepr> requirements;
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bool exported;
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SILSpecializeAttr::SpecializationKind kind;
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};
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enum class ConformanceContext {
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/// A normal conformance parse.
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Ordinary,
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/// We're parsing this for a SIL witness table.
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/// Leave any generic parameter clauses in scope, and use an explicit
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/// self-conformance instead of an abstract one.
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WitnessTable,
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};
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class SILParser {
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friend SILParserTUState;
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public:
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Parser &P;
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SILModule &SILMod;
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SILParserTUState &TUState;
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SILFunction *F = nullptr;
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GenericEnvironment *ContextGenericEnv = nullptr;
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private:
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/// HadError - Have we seen an error parsing this function?
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bool HadError = false;
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/// Data structures used to perform name lookup of basic blocks.
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llvm::DenseMap<Identifier, SILBasicBlock*> BlocksByName;
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llvm::DenseMap<SILBasicBlock*,
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Located<Identifier>> UndefinedBlocks;
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/// Data structures used to perform name lookup for local values.
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llvm::StringMap<ValueBase*> LocalValues;
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llvm::StringMap<SourceLoc> ForwardRefLocalValues;
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/// A callback to be invoked every time a type was deserialized.
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std::function<void(Type)> ParsedTypeCallback;
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bool performTypeLocChecking(TypeLoc &T, bool IsSILType,
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GenericEnvironment *GenericEnv = nullptr,
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DeclContext *DC = nullptr);
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void convertRequirements(SILFunction *F, ArrayRef<RequirementRepr> From,
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SmallVectorImpl<Requirement> &To);
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ProtocolConformanceRef parseProtocolConformanceHelper(
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ProtocolDecl *&proto, GenericEnvironment *GenericEnv,
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ConformanceContext context, ProtocolDecl *defaultForProto);
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public:
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SILParser(Parser &P)
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: P(P), SILMod(static_cast<SILParserTUState *>(P.SIL)->M),
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TUState(*static_cast<SILParserTUState *>(P.SIL)),
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ParsedTypeCallback([](Type ty) {}) {}
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/// diagnoseProblems - After a function is fully parse, emit any diagnostics
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/// for errors and return true if there were any.
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bool diagnoseProblems();
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/// getGlobalNameForReference - Given a reference to a global name, look it
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/// up and return an appropriate SIL function.
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SILFunction *getGlobalNameForReference(Identifier Name,
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CanSILFunctionType Ty,
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SourceLoc Loc,
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bool IgnoreFwdRef = false);
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/// getGlobalNameForDefinition - Given a definition of a global name, look
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/// it up and return an appropriate SIL function.
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SILFunction *getGlobalNameForDefinition(Identifier Name,
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CanSILFunctionType Ty,
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SourceLoc Loc);
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/// getBBForDefinition - Return the SILBasicBlock for a definition of the
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/// specified block.
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SILBasicBlock *getBBForDefinition(Identifier Name, SourceLoc Loc);
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/// getBBForReference - return the SILBasicBlock of the specified name. The
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/// source location is used to diagnose a failure if the block ends up never
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/// being defined.
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SILBasicBlock *getBBForReference(Identifier Name, SourceLoc Loc);
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struct UnresolvedValueName {
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StringRef Name;
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SourceLoc NameLoc;
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bool isUndef() const { return Name == "undef"; }
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};
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/// getLocalValue - Get a reference to a local value with the specified name
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/// and type.
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SILValue getLocalValue(UnresolvedValueName Name, SILType Type,
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SILLocation L, SILBuilder &B);
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/// setLocalValue - When an instruction or block argument is defined, this
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/// method is used to register it and update our symbol table.
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void setLocalValue(ValueBase *Value, StringRef Name, SourceLoc NameLoc);
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SILDebugLocation getDebugLoc(SILBuilder & B, SILLocation Loc) {
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return SILDebugLocation(Loc, F->getDebugScope());
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}
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/// @{ Primitive parsing.
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/// \verbatim
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/// sil-identifier ::= [A-Za-z_0-9]+
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/// \endverbatim
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bool parseSILIdentifier(Identifier &Result, SourceLoc &Loc,
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const Diagnostic &D);
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template<typename ...DiagArgTypes, typename ...ArgTypes>
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bool parseSILIdentifier(Identifier &Result, Diag<DiagArgTypes...> ID,
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ArgTypes... Args) {
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SourceLoc L;
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return parseSILIdentifier(Result, L, Diagnostic(ID, Args...));
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}
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template <typename T, typename... DiagArgTypes, typename... ArgTypes>
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bool parseSILIdentifierSwitch(T &Result, ArrayRef<StringRef> Strings,
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Diag<DiagArgTypes...> ID, ArgTypes... Args) {
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Identifier TmpResult;
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SourceLoc L;
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if (parseSILIdentifier(TmpResult, L, Diagnostic(ID, Args...))) {
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return true;
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}
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auto Iter = std::find(Strings.begin(), Strings.end(), TmpResult.str());
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if (Iter == Strings.end()) {
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P.diagnose(P.Tok, Diagnostic(ID, Args...));
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return true;
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}
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Result = T(*Iter);
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return false;
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}
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template<typename ...DiagArgTypes, typename ...ArgTypes>
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bool parseSILIdentifier(Identifier &Result, SourceLoc &L,
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Diag<DiagArgTypes...> ID, ArgTypes... Args) {
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return parseSILIdentifier(Result, L, Diagnostic(ID, Args...));
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}
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bool parseVerbatim(StringRef identifier);
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template <typename T>
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bool parseInteger(T &Result, const Diagnostic &D) {
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if (!P.Tok.is(tok::integer_literal)) {
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P.diagnose(P.Tok, D);
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return true;
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}
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bool error = parseIntegerLiteral(P.Tok.getText(), 0, Result);
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P.consumeToken(tok::integer_literal);
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return error;
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}
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template <typename T>
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bool parseIntegerLiteral(StringRef text, unsigned radix, T &result) {
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text = prepareIntegerLiteralForParsing(text);
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return text.getAsInteger(radix, result);
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}
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StringRef prepareIntegerLiteralForParsing(StringRef text) {
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// tok::integer_literal can contain characters that the library
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// parsing routines don't expect.
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if (text.contains('_'))
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text = P.copyAndStripUnderscores(text);
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return text;
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}
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/// @}
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/// @{ Type parsing.
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bool parseASTType(CanType &result,
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GenericEnvironment *environment = nullptr);
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bool parseASTType(CanType &result, SourceLoc &TypeLoc) {
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TypeLoc = P.Tok.getLoc();
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return parseASTType(result);
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}
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bool parseASTType(CanType &result,
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SourceLoc &TypeLoc,
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GenericEnvironment *env) {
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TypeLoc = P.Tok.getLoc();
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return parseASTType(result, env);
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}
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bool parseSILOwnership(ValueOwnershipKind &OwnershipKind) {
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// We parse here @ <identifier>.
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if (!P.consumeIf(tok::at_sign)) {
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// If we fail, we must have @any ownership. We check elsewhere in the
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// parser that this matches what the function signature wants.
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OwnershipKind = ValueOwnershipKind::None;
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return false;
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}
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StringRef AllOwnershipKinds[3] = {"unowned", "owned",
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"guaranteed"};
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return parseSILIdentifierSwitch(OwnershipKind, AllOwnershipKinds,
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diag::expected_sil_value_ownership_kind);
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}
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bool parseSILType(SILType &Result,
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GenericEnvironment *&parsedGenericEnv,
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bool IsFuncDecl = false,
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GenericEnvironment *parentGenericEnv = nullptr);
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bool parseSILType(SILType &Result) {
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GenericEnvironment *IgnoredEnv;
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return parseSILType(Result, IgnoredEnv);
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}
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bool parseSILType(SILType &Result, SourceLoc &TypeLoc) {
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TypeLoc = P.Tok.getLoc();
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return parseSILType(Result);
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}
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bool parseSILType(SILType &Result, SourceLoc &TypeLoc,
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GenericEnvironment *&parsedGenericEnv,
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GenericEnvironment *parentGenericEnv = nullptr) {
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TypeLoc = P.Tok.getLoc();
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return parseSILType(Result, parsedGenericEnv, false, parentGenericEnv);
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}
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/// @}
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bool parseSILDottedPath(ValueDecl *&Decl,
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SmallVectorImpl<ValueDecl *> &values);
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bool parseSILDottedPath(ValueDecl *&Decl) {
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SmallVector<ValueDecl *, 4> values;
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return parseSILDottedPath(Decl, values);
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}
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bool parseSILDottedPathWithoutPound(ValueDecl *&Decl,
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SmallVectorImpl<ValueDecl *> &values);
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bool parseSILDottedPathWithoutPound(ValueDecl *&Decl) {
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SmallVector<ValueDecl *, 4> values;
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return parseSILDottedPathWithoutPound(Decl, values);
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}
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/// At the time of calling this function, we may not have the type of the
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/// Decl yet. So we return a SILDeclRef on the first lookup result and also
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/// return all the lookup results. After parsing the expected type, the
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/// caller of this function can choose the one that has the expected type.
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bool parseSILDeclRef(SILDeclRef &Result,
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SmallVectorImpl<ValueDecl *> &values);
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bool parseSILDeclRef(SILDeclRef &Result) {
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SmallVector<ValueDecl *, 4> values;
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return parseSILDeclRef(Result, values);
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}
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bool parseSILDeclRef(SILDeclRef &Member, bool FnTypeRequired);
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bool parseGlobalName(Identifier &Name);
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bool parseValueName(UnresolvedValueName &Name);
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bool parseValueRef(SILValue &Result, SILType Ty, SILLocation Loc,
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SILBuilder &B);
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bool parseTypedValueRef(SILValue &Result, SourceLoc &Loc, SILBuilder &B);
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bool parseTypedValueRef(SILValue &Result, SILBuilder &B) {
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SourceLoc Tmp;
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return parseTypedValueRef(Result, Tmp, B);
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}
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bool parseSILOpcode(SILInstructionKind &Opcode, SourceLoc &OpcodeLoc,
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StringRef &OpcodeName);
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bool parseSILDebugVar(SILDebugVariable &Var);
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/// Parses the basic block arguments as part of branch instruction.
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bool parseSILBBArgsAtBranch(SmallVector<SILValue, 6> &Args, SILBuilder &B);
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bool parseSILLocation(SILLocation &L);
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bool parseScopeRef(SILDebugScope *&DS);
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bool parseSILDebugLocation(SILLocation &L, SILBuilder &B,
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bool parsedComma = false);
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bool parseSpecificSILInstruction(SILBuilder &B, SILInstructionKind Opcode,
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SourceLoc OpcodeLoc, StringRef OpcodeName,
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SILInstruction *&ResultVal);
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bool parseSILInstruction(SILBuilder &B);
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bool parseCallInstruction(SILLocation InstLoc,
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SILInstructionKind Opcode, SILBuilder &B,
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SILInstruction *&ResultVal);
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bool parseSILFunctionRef(SILLocation InstLoc, SILFunction *&ResultFn);
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bool parseSILBasicBlock(SILBuilder &B);
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bool parseKeyPathPatternComponent(KeyPathPatternComponent &component,
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SmallVectorImpl<SILType> &operandTypes,
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SourceLoc componentLoc,
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Identifier componentKind,
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SILLocation InstLoc,
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GenericEnvironment *patternEnv);
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bool isStartOfSILInstruction();
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bool parseSubstitutions(SmallVectorImpl<ParsedSubstitution> &parsed,
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GenericEnvironment *GenericEnv=nullptr,
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ProtocolDecl *defaultForProto = nullptr);
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ProtocolConformanceRef parseProtocolConformance(
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ProtocolDecl *&proto, GenericEnvironment *&genericEnv,
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ConformanceContext context, ProtocolDecl *defaultForProto);
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ProtocolConformanceRef
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parseProtocolConformance(ProtocolDecl *defaultForProto,
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ConformanceContext context) {
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ProtocolDecl *dummy;
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GenericEnvironment *env;
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return parseProtocolConformance(dummy, env, context, defaultForProto);
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}
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Optional<llvm::coverage::Counter>
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parseSILCoverageExpr(llvm::coverage::CounterExpressionBuilder &Builder);
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template <class T>
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struct ParsedEnum {
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Optional<T> Value;
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StringRef Name;
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SourceLoc Loc;
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bool isSet() const { return Value.hasValue(); }
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T operator*() const { return *Value; }
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};
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template <class T>
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void setEnum(ParsedEnum<T> &existing,
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T value, StringRef name, SourceLoc loc) {
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if (existing.Value) {
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if (*existing.Value == value) {
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P.diagnose(loc, diag::duplicate_attribute, /*modifier*/ 1);
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} else {
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P.diagnose(loc, diag::mutually_exclusive_attrs, name,
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existing.Name, /*modifier*/ 1);
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}
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P.diagnose(existing.Loc, diag::previous_attribute, /*modifier*/ 1);
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}
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existing.Value = value;
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existing.Name = name;
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existing.Loc = loc;
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}
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template <class T>
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void maybeSetEnum(bool allowed, ParsedEnum<T> &existing,
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T value, StringRef name, SourceLoc loc) {
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if (allowed)
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setEnum(existing, value, name, loc);
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else
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P.diagnose(loc, diag::unknown_attribute, name);
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}
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};
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} // end anonymous namespace
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bool SILParser::parseSILIdentifier(Identifier &Result, SourceLoc &Loc,
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const Diagnostic &D) {
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switch (P.Tok.getKind()) {
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case tok::identifier:
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case tok::dollarident:
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Result = P.Context.getIdentifier(P.Tok.getText());
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break;
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case tok::string_literal: {
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// Drop the double quotes.
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StringRef rawString = P.Tok.getText().drop_front().drop_back();
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Result = P.Context.getIdentifier(rawString);
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break;
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}
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case tok::oper_binary_unspaced: // fixme?
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case tok::oper_binary_spaced:
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case tok::kw_init:
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// A binary operator or `init` can be part of a SILDeclRef.
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Result = P.Context.getIdentifier(P.Tok.getText());
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break;
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default:
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// If it's some other keyword, grab an identifier for it.
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if (P.Tok.isKeyword()) {
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Result = P.Context.getIdentifier(P.Tok.getText());
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|
break;
|
|
}
|
|
P.diagnose(P.Tok, D);
|
|
return true;
|
|
}
|
|
|
|
Loc = P.Tok.getLoc();
|
|
P.consumeToken();
|
|
return false;
|
|
}
|
|
|
|
bool SILParser::parseVerbatim(StringRef name) {
|
|
Identifier tok;
|
|
SourceLoc loc;
|
|
|
|
if (parseSILIdentifier(tok, loc, diag::expected_tok_in_sil_instr, name)) {
|
|
return true;
|
|
}
|
|
if (tok.str() != name) {
|
|
P.diagnose(loc, diag::expected_tok_in_sil_instr, name);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// diagnoseProblems - After a function is fully parse, emit any diagnostics
|
|
/// for errors and return true if there were any.
|
|
bool SILParser::diagnoseProblems() {
|
|
// Check for any uses of basic blocks that were not defined.
|
|
if (!UndefinedBlocks.empty()) {
|
|
// FIXME: These are going to come out in nondeterministic order.
|
|
for (auto Entry : UndefinedBlocks)
|
|
P.diagnose(Entry.second.Loc, diag::sil_undefined_basicblock_use,
|
|
Entry.second.Item);
|
|
|
|
HadError = true;
|
|
}
|
|
|
|
if (!ForwardRefLocalValues.empty()) {
|
|
// FIXME: These are going to come out in nondeterministic order.
|
|
for (auto &Entry : ForwardRefLocalValues)
|
|
P.diagnose(Entry.second, diag::sil_use_of_undefined_value,
|
|
Entry.first());
|
|
HadError = true;
|
|
}
|
|
|
|
return HadError;
|
|
}
|
|
|
|
/// getGlobalNameForDefinition - Given a definition of a global name, look
|
|
/// it up and return an appropriate SIL function.
|
|
SILFunction *SILParser::getGlobalNameForDefinition(Identifier name,
|
|
CanSILFunctionType ty,
|
|
SourceLoc sourceLoc) {
|
|
SILParserFunctionBuilder builder(SILMod);
|
|
auto silLoc = RegularLocation(sourceLoc);
|
|
|
|
// Check to see if a function of this name has been forward referenced. If so
|
|
// complete the forward reference.
|
|
auto iter = TUState.ForwardRefFns.find(name);
|
|
if (iter != TUState.ForwardRefFns.end()) {
|
|
SILFunction *fn = iter->second.Item;
|
|
|
|
// Verify that the types match up.
|
|
if (fn->getLoweredFunctionType() != ty) {
|
|
P.diagnose(sourceLoc, diag::sil_value_use_type_mismatch, name.str(),
|
|
fn->getLoweredFunctionType(), ty);
|
|
P.diagnose(iter->second.Loc, diag::sil_prior_reference);
|
|
fn = builder.createFunctionForForwardReference("" /*name*/, ty, silLoc);
|
|
}
|
|
|
|
assert(fn->isExternalDeclaration() && "Forward defns cannot have bodies!");
|
|
TUState.ForwardRefFns.erase(iter);
|
|
|
|
// Move the function to this position in the module.
|
|
//
|
|
// FIXME: Should we move this functionality into SILParserFunctionBuilder?
|
|
SILMod.getFunctionList().remove(fn);
|
|
SILMod.getFunctionList().push_back(fn);
|
|
|
|
return fn;
|
|
}
|
|
|
|
// If we don't have a forward reference, make sure the function hasn't been
|
|
// defined already.
|
|
if (SILMod.lookUpFunction(name.str()) != nullptr) {
|
|
P.diagnose(sourceLoc, diag::sil_value_redefinition, name.str());
|
|
return builder.createFunctionForForwardReference("" /*name*/, ty, silLoc);
|
|
}
|
|
|
|
// Otherwise, this definition is the first use of this name.
|
|
return builder.createFunctionForForwardReference(name.str(), ty, silLoc);
|
|
}
|
|
|
|
/// getGlobalNameForReference - Given a reference to a global name, look it
|
|
/// up and return an appropriate SIL function.
|
|
SILFunction *SILParser::getGlobalNameForReference(Identifier name,
|
|
CanSILFunctionType funcTy,
|
|
SourceLoc sourceLoc,
|
|
bool ignoreFwdRef) {
|
|
SILParserFunctionBuilder builder(SILMod);
|
|
auto silLoc = RegularLocation(sourceLoc);
|
|
|
|
// Check to see if we have a function by this name already.
|
|
if (SILFunction *fn = SILMod.lookUpFunction(name.str())) {
|
|
// If so, check for matching types.
|
|
if (fn->getLoweredFunctionType() == funcTy) {
|
|
return fn;
|
|
}
|
|
|
|
P.diagnose(sourceLoc, diag::sil_value_use_type_mismatch, name.str(),
|
|
fn->getLoweredFunctionType(), funcTy);
|
|
|
|
return builder.createFunctionForForwardReference("" /*name*/, funcTy,
|
|
silLoc);
|
|
}
|
|
|
|
// If we didn't find a function, create a new one - it must be a forward
|
|
// reference.
|
|
auto *fn =
|
|
builder.createFunctionForForwardReference(name.str(), funcTy, silLoc);
|
|
TUState.ForwardRefFns[name] = {fn, ignoreFwdRef ? SourceLoc() : sourceLoc};
|
|
return fn;
|
|
}
|
|
|
|
|
|
/// getBBForDefinition - Return the SILBasicBlock for a definition of the
|
|
/// specified block.
|
|
SILBasicBlock *SILParser::getBBForDefinition(Identifier Name, SourceLoc Loc) {
|
|
// If there was no name specified for this block, just create a new one.
|
|
if (Name.empty())
|
|
return F->createBasicBlock();
|
|
|
|
SILBasicBlock *&BB = BlocksByName[Name];
|
|
// If the block has never been named yet, just create it.
|
|
if (BB == nullptr)
|
|
return BB = F->createBasicBlock();
|
|
|
|
// If it already exists, it was either a forward reference or a redefinition.
|
|
// If it is a forward reference, it should be in our undefined set.
|
|
if (!UndefinedBlocks.erase(BB)) {
|
|
// If we have a redefinition, return a new BB to avoid inserting
|
|
// instructions after the terminator.
|
|
P.diagnose(Loc, diag::sil_basicblock_redefinition, Name);
|
|
HadError = true;
|
|
return F->createBasicBlock();
|
|
}
|
|
|
|
// FIXME: Splice the block to the end of the function so they come out in the
|
|
// right order.
|
|
return BB;
|
|
}
|
|
|
|
/// getBBForReference - return the SILBasicBlock of the specified name. The
|
|
/// source location is used to diagnose a failure if the block ends up never
|
|
/// being defined.
|
|
SILBasicBlock *SILParser::getBBForReference(Identifier Name, SourceLoc Loc) {
|
|
// If the block has already been created, use it.
|
|
SILBasicBlock *&BB = BlocksByName[Name];
|
|
if (BB != nullptr)
|
|
return BB;
|
|
|
|
// Otherwise, create it and remember that this is a forward reference so
|
|
// that we can diagnose use without definition problems.
|
|
BB = F->createBasicBlock();
|
|
UndefinedBlocks[BB] = {Name, Loc};
|
|
return BB;
|
|
}
|
|
|
|
/// sil-global-name:
|
|
/// '@' identifier
|
|
bool SILParser::parseGlobalName(Identifier &Name) {
|
|
return P.parseToken(tok::at_sign, diag::expected_sil_value_name) ||
|
|
parseSILIdentifier(Name, diag::expected_sil_value_name);
|
|
}
|
|
|
|
/// getLocalValue - Get a reference to a local value with the specified name
|
|
/// and type.
|
|
SILValue SILParser::getLocalValue(UnresolvedValueName Name, SILType Type,
|
|
SILLocation Loc, SILBuilder &B) {
|
|
if (Name.isUndef())
|
|
return SILUndef::get(Type, B.getFunction());
|
|
|
|
// Check to see if this is already defined.
|
|
ValueBase *&Entry = LocalValues[Name.Name];
|
|
|
|
if (Entry) {
|
|
// If this value is already defined, check it to make sure types match.
|
|
SILType EntryTy = Entry->getType();
|
|
|
|
if (EntryTy != Type) {
|
|
HadError = true;
|
|
P.diagnose(Name.NameLoc, diag::sil_value_use_type_mismatch, Name.Name,
|
|
EntryTy.getASTType(), Type.getASTType());
|
|
// Make sure to return something of the requested type.
|
|
return new (SILMod) GlobalAddrInst(getDebugLoc(B, Loc), Type);
|
|
}
|
|
|
|
return SILValue(Entry);
|
|
}
|
|
|
|
// Otherwise, this is a forward reference. Create a dummy node to represent
|
|
// it until we see a real definition.
|
|
ForwardRefLocalValues[Name.Name] = Name.NameLoc;
|
|
|
|
Entry = new (SILMod) GlobalAddrInst(getDebugLoc(B, Loc), Type);
|
|
return Entry;
|
|
}
|
|
|
|
/// setLocalValue - When an instruction or block argument is defined, this
|
|
/// method is used to register it and update our symbol table.
|
|
void SILParser::setLocalValue(ValueBase *Value, StringRef Name,
|
|
SourceLoc NameLoc) {
|
|
ValueBase *&Entry = LocalValues[Name];
|
|
|
|
// If this value was already defined, it is either a redefinition, or a
|
|
// specification for a forward referenced value.
|
|
if (Entry) {
|
|
if (!ForwardRefLocalValues.erase(Name)) {
|
|
P.diagnose(NameLoc, diag::sil_value_redefinition, Name);
|
|
HadError = true;
|
|
return;
|
|
}
|
|
|
|
// If the forward reference was of the wrong type, diagnose this now.
|
|
if (Entry->getType() != Value->getType()) {
|
|
P.diagnose(NameLoc, diag::sil_value_def_type_mismatch, Name,
|
|
Entry->getType().getASTType(),
|
|
Value->getType().getASTType());
|
|
HadError = true;
|
|
} else {
|
|
// Forward references only live here if they have a single result.
|
|
Entry->replaceAllUsesWith(Value);
|
|
}
|
|
Entry = Value;
|
|
return;
|
|
}
|
|
|
|
// Otherwise, just store it in our map.
|
|
Entry = Value;
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// SIL Parsing Logic
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// parseSILLinkage - Parse a linkage specifier if present.
|
|
/// sil-linkage:
|
|
/// /*empty*/ // default depends on whether this is a definition
|
|
/// 'public'
|
|
/// 'hidden'
|
|
/// 'shared'
|
|
/// 'private'
|
|
/// 'public_external'
|
|
/// 'hidden_external'
|
|
/// 'private_external'
|
|
static bool parseSILLinkage(Optional<SILLinkage> &Result, Parser &P) {
|
|
// Begin by initializing result to our base value of None.
|
|
Result = None;
|
|
|
|
// Unfortunate collision with access control keywords.
|
|
if (P.Tok.is(tok::kw_public)) {
|
|
Result = SILLinkage::Public;
|
|
P.consumeToken();
|
|
return false;
|
|
}
|
|
|
|
// Unfortunate collision with access control keywords.
|
|
if (P.Tok.is(tok::kw_private)) {
|
|
Result = SILLinkage::Private;
|
|
P.consumeToken();
|
|
return false;
|
|
}
|
|
|
|
// If we do not have an identifier, bail. All SILLinkages that we are parsing
|
|
// are identifiers.
|
|
if (P.Tok.isNot(tok::identifier))
|
|
return false;
|
|
|
|
// Then use a string switch to try and parse the identifier.
|
|
Result = llvm::StringSwitch<Optional<SILLinkage>>(P.Tok.getText())
|
|
.Case("non_abi", SILLinkage::PublicNonABI)
|
|
.Case("hidden", SILLinkage::Hidden)
|
|
.Case("shared", SILLinkage::Shared)
|
|
.Case("public_external", SILLinkage::PublicExternal)
|
|
.Case("hidden_external", SILLinkage::HiddenExternal)
|
|
.Case("shared_external", SILLinkage::SharedExternal)
|
|
.Case("private_external", SILLinkage::PrivateExternal)
|
|
.Default(None);
|
|
|
|
// If we succeed, consume the token.
|
|
if (Result) {
|
|
P.consumeToken(tok::identifier);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// Given whether it's known to be a definition, resolve an optional
|
|
/// SIL linkage to a real one.
|
|
static SILLinkage resolveSILLinkage(Optional<SILLinkage> linkage,
|
|
bool isDefinition) {
|
|
if (linkage.hasValue()) {
|
|
return linkage.getValue();
|
|
} else if (isDefinition) {
|
|
return SILLinkage::DefaultForDefinition;
|
|
} else {
|
|
return SILLinkage::DefaultForDeclaration;
|
|
}
|
|
}
|
|
|
|
static bool parseSILOptional(StringRef &Result, SourceLoc &Loc, SILParser &SP) {
|
|
if (SP.P.consumeIf(tok::l_square)) {
|
|
Identifier Id;
|
|
SP.parseSILIdentifier(Id, Loc, diag::expected_in_attribute_list);
|
|
SP.P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
Result = Id.str();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool parseSILOptional(StringRef &Result, SILParser &SP) {
|
|
SourceLoc Loc;
|
|
return parseSILOptional(Result, Loc, SP);
|
|
}
|
|
|
|
/// Parse an option attribute ('[' Expected ']')?
|
|
static bool parseSILOptional(bool &Result, SILParser &SP, StringRef Expected) {
|
|
StringRef Optional;
|
|
if (parseSILOptional(Optional, SP)) {
|
|
if (Optional != Expected)
|
|
return true;
|
|
Result = true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
namespace {
|
|
/// A helper class to perform lookup of IdentTypes in the
|
|
/// current parser scope.
|
|
class IdentTypeReprLookup : public ASTWalker {
|
|
Parser &P;
|
|
public:
|
|
IdentTypeReprLookup(Parser &P) : P(P) {}
|
|
|
|
bool walkToTypeReprPre(TypeRepr *Ty) override {
|
|
auto *T = dyn_cast_or_null<IdentTypeRepr>(Ty);
|
|
auto Comp = T->getComponentRange().front();
|
|
if (auto Entry = P.lookupInScope(Comp->getNameRef()))
|
|
if (auto *TD = dyn_cast<TypeDecl>(Entry)) {
|
|
Comp->setValue(TD, nullptr);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
/// Remap RequirementReps to Requirements.
|
|
void SILParser::convertRequirements(SILFunction *F,
|
|
ArrayRef<RequirementRepr> From,
|
|
SmallVectorImpl<Requirement> &To) {
|
|
if (From.empty()) {
|
|
To.clear();
|
|
return;
|
|
}
|
|
|
|
auto *GenericEnv = F->getGenericEnvironment();
|
|
assert(GenericEnv);
|
|
(void)GenericEnv;
|
|
|
|
IdentTypeReprLookup PerformLookup(P);
|
|
// Use parser lexical scopes to resolve references
|
|
// to the generic parameters.
|
|
auto ResolveToInterfaceType = [&](TypeLoc Ty) -> Type {
|
|
Ty.getTypeRepr()->walk(PerformLookup);
|
|
performTypeLocChecking(Ty, /* IsSIL */ false);
|
|
assert(Ty.getType());
|
|
return Ty.getType()->mapTypeOutOfContext();
|
|
};
|
|
|
|
for (auto &Req : From) {
|
|
if (Req.getKind() == RequirementReprKind::SameType) {
|
|
auto FirstType = ResolveToInterfaceType(Req.getFirstTypeLoc());
|
|
auto SecondType = ResolveToInterfaceType(Req.getSecondTypeLoc());
|
|
Requirement ConvertedRequirement(RequirementKind::SameType, FirstType,
|
|
SecondType);
|
|
To.push_back(ConvertedRequirement);
|
|
continue;
|
|
}
|
|
|
|
if (Req.getKind() == RequirementReprKind::TypeConstraint) {
|
|
auto Subject = ResolveToInterfaceType(Req.getSubjectLoc());
|
|
auto Constraint = ResolveToInterfaceType(Req.getConstraintLoc());
|
|
Requirement ConvertedRequirement(RequirementKind::Conformance, Subject,
|
|
Constraint);
|
|
To.push_back(ConvertedRequirement);
|
|
continue;
|
|
}
|
|
|
|
if (Req.getKind() == RequirementReprKind::LayoutConstraint) {
|
|
auto Subject = ResolveToInterfaceType(Req.getSubjectLoc());
|
|
Requirement ConvertedRequirement(RequirementKind::Layout, Subject,
|
|
Req.getLayoutConstraint());
|
|
To.push_back(ConvertedRequirement);
|
|
continue;
|
|
}
|
|
llvm_unreachable("Unsupported requirement kind");
|
|
}
|
|
}
|
|
|
|
static bool parseDeclSILOptional(bool *isTransparent,
|
|
IsSerialized_t *isSerialized,
|
|
bool *isCanonical,
|
|
bool *hasOwnershipSSA,
|
|
IsThunk_t *isThunk,
|
|
IsDynamicallyReplaceable_t *isDynamic,
|
|
IsExactSelfClass_t *isExactSelfClass,
|
|
SILFunction **dynamicallyReplacedFunction,
|
|
Identifier *objCReplacementFor,
|
|
SILFunction::Purpose *specialPurpose,
|
|
Inline_t *inlineStrategy,
|
|
OptimizationMode *optimizationMode,
|
|
bool *isLet,
|
|
bool *isWeakImported,
|
|
AvailabilityContext *availability,
|
|
bool *isWithoutActuallyEscapingThunk,
|
|
SmallVectorImpl<std::string> *Semantics,
|
|
SmallVectorImpl<ParsedSpecAttr> *SpecAttrs,
|
|
ValueDecl **ClangDecl,
|
|
EffectsKind *MRK, SILParser &SP,
|
|
SILModule &M) {
|
|
while (SP.P.consumeIf(tok::l_square)) {
|
|
if (isLet && SP.P.Tok.is(tok::kw_let)) {
|
|
*isLet = true;
|
|
SP.P.consumeToken(tok::kw_let);
|
|
SP.P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
continue;
|
|
}
|
|
else if (SP.P.Tok.isNot(tok::identifier)) {
|
|
SP.P.diagnose(SP.P.Tok, diag::expected_in_attribute_list);
|
|
return true;
|
|
} else if (isTransparent && SP.P.Tok.getText() == "transparent")
|
|
*isTransparent = true;
|
|
else if (isSerialized && SP.P.Tok.getText() == "serialized")
|
|
*isSerialized = IsSerialized;
|
|
else if (isDynamic && SP.P.Tok.getText() == "dynamically_replacable")
|
|
*isDynamic = IsDynamic;
|
|
else if (isExactSelfClass && SP.P.Tok.getText() == "exact_self_class")
|
|
*isExactSelfClass = IsExactSelfClass;
|
|
else if (isSerialized && SP.P.Tok.getText() == "serializable")
|
|
*isSerialized = IsSerializable;
|
|
else if (isCanonical && SP.P.Tok.getText() == "canonical")
|
|
*isCanonical = true;
|
|
else if (hasOwnershipSSA && SP.P.Tok.getText() == "ossa")
|
|
*hasOwnershipSSA = true;
|
|
else if (isThunk && SP.P.Tok.getText() == "thunk")
|
|
*isThunk = IsThunk;
|
|
else if (isThunk && SP.P.Tok.getText() == "signature_optimized_thunk")
|
|
*isThunk = IsSignatureOptimizedThunk;
|
|
else if (isThunk && SP.P.Tok.getText() == "reabstraction_thunk")
|
|
*isThunk = IsReabstractionThunk;
|
|
else if (isWithoutActuallyEscapingThunk
|
|
&& SP.P.Tok.getText() == "without_actually_escaping")
|
|
*isWithoutActuallyEscapingThunk = true;
|
|
else if (specialPurpose && SP.P.Tok.getText() == "global_init")
|
|
*specialPurpose = SILFunction::Purpose::GlobalInit;
|
|
else if (specialPurpose && SP.P.Tok.getText() == "lazy_getter")
|
|
*specialPurpose = SILFunction::Purpose::LazyPropertyGetter;
|
|
else if (isWeakImported && SP.P.Tok.getText() == "weak_imported") {
|
|
if (M.getASTContext().LangOpts.Target.isOSBinFormatCOFF())
|
|
SP.P.diagnose(SP.P.Tok, diag::attr_unsupported_on_target,
|
|
SP.P.Tok.getText(),
|
|
M.getASTContext().LangOpts.Target.str());
|
|
else
|
|
*isWeakImported = true;
|
|
} else if (availability && SP.P.Tok.getText() == "available") {
|
|
SP.P.consumeToken(tok::identifier);
|
|
|
|
SourceRange range;
|
|
llvm::VersionTuple version;
|
|
if (SP.P.parseVersionTuple(version, range,
|
|
diag::sil_availability_expected_version))
|
|
return true;
|
|
|
|
*availability = AvailabilityContext(VersionRange::allGTE(version));
|
|
|
|
SP.P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
continue;
|
|
} else if (inlineStrategy && SP.P.Tok.getText() == "noinline")
|
|
*inlineStrategy = NoInline;
|
|
else if (optimizationMode && SP.P.Tok.getText() == "Onone")
|
|
*optimizationMode = OptimizationMode::NoOptimization;
|
|
else if (optimizationMode && SP.P.Tok.getText() == "Ospeed")
|
|
*optimizationMode = OptimizationMode::ForSpeed;
|
|
else if (optimizationMode && SP.P.Tok.getText() == "Osize")
|
|
*optimizationMode = OptimizationMode::ForSize;
|
|
else if (inlineStrategy && SP.P.Tok.getText() == "always_inline")
|
|
*inlineStrategy = AlwaysInline;
|
|
else if (MRK && SP.P.Tok.getText() == "readnone")
|
|
*MRK = EffectsKind::ReadNone;
|
|
else if (MRK && SP.P.Tok.getText() == "readonly")
|
|
*MRK = EffectsKind::ReadOnly;
|
|
else if (MRK && SP.P.Tok.getText() == "readwrite")
|
|
*MRK = EffectsKind::ReadWrite;
|
|
else if (MRK && SP.P.Tok.getText() == "releasenone")
|
|
*MRK = EffectsKind::ReleaseNone;
|
|
else if (dynamicallyReplacedFunction && SP.P.Tok.getText() == "dynamic_replacement_for") {
|
|
SP.P.consumeToken(tok::identifier);
|
|
if (SP.P.Tok.getKind() != tok::string_literal) {
|
|
SP.P.diagnose(SP.P.Tok, diag::expected_in_attribute_list);
|
|
return true;
|
|
}
|
|
// Drop the double quotes.
|
|
StringRef replacedFunc = SP.P.Tok.getText().drop_front().drop_back();
|
|
SILFunction *Func = M.lookUpFunction(replacedFunc.str());
|
|
if (!Func) {
|
|
Identifier Id = SP.P.Context.getIdentifier(replacedFunc);
|
|
SP.P.diagnose(SP.P.Tok, diag::sil_dynamically_replaced_func_not_found,
|
|
Id);
|
|
return true;
|
|
}
|
|
*dynamicallyReplacedFunction = Func;
|
|
SP.P.consumeToken(tok::string_literal);
|
|
|
|
SP.P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
continue;
|
|
} else if (objCReplacementFor &&
|
|
SP.P.Tok.getText() == "objc_replacement_for") {
|
|
SP.P.consumeToken(tok::identifier);
|
|
if (SP.P.Tok.getKind() != tok::string_literal) {
|
|
SP.P.diagnose(SP.P.Tok, diag::expected_in_attribute_list);
|
|
return true;
|
|
}
|
|
// Drop the double quotes.
|
|
StringRef replacedFunc = SP.P.Tok.getText().drop_front().drop_back();
|
|
*objCReplacementFor = SP.P.Context.getIdentifier(replacedFunc);
|
|
SP.P.consumeToken(tok::string_literal);
|
|
|
|
SP.P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
continue;
|
|
} else if (Semantics && SP.P.Tok.getText() == "_semantics") {
|
|
SP.P.consumeToken(tok::identifier);
|
|
if (SP.P.Tok.getKind() != tok::string_literal) {
|
|
SP.P.diagnose(SP.P.Tok, diag::expected_in_attribute_list);
|
|
return true;
|
|
}
|
|
|
|
// Drop the double quotes.
|
|
StringRef rawString = SP.P.Tok.getText().drop_front().drop_back();
|
|
Semantics->push_back(rawString.str());
|
|
SP.P.consumeToken(tok::string_literal);
|
|
|
|
SP.P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
continue;
|
|
} else if (SpecAttrs && SP.P.Tok.getText() == "_specialize") {
|
|
SourceLoc AtLoc = SP.P.Tok.getLoc();
|
|
SourceLoc Loc(AtLoc);
|
|
|
|
// Parse a _specialized attribute, building a parsed substitution list
|
|
// and pushing a new ParsedSpecAttr on the SpecAttrs list. Conformances
|
|
// cannot be generated until the function declaration is fully parsed so
|
|
// that the function's generic signature can be consulted.
|
|
ParsedSpecAttr SpecAttr;
|
|
SpecAttr.requirements = {};
|
|
SpecAttr.exported = false;
|
|
SpecAttr.kind = SILSpecializeAttr::SpecializationKind::Full;
|
|
SpecializeAttr *Attr;
|
|
|
|
if (!SP.P.parseSpecializeAttribute(tok::r_square, AtLoc, Loc, Attr))
|
|
return true;
|
|
|
|
// Convert SpecializeAttr into ParsedSpecAttr.
|
|
SpecAttr.requirements = Attr->getTrailingWhereClause()->getRequirements();
|
|
SpecAttr.kind = Attr->getSpecializationKind() ==
|
|
swift::SpecializeAttr::SpecializationKind::Full
|
|
? SILSpecializeAttr::SpecializationKind::Full
|
|
: SILSpecializeAttr::SpecializationKind::Partial;
|
|
SpecAttr.exported = Attr->isExported();
|
|
SpecAttrs->emplace_back(SpecAttr);
|
|
continue;
|
|
}
|
|
else if (ClangDecl && SP.P.Tok.getText() == "clang") {
|
|
SP.P.consumeToken(tok::identifier);
|
|
if (SP.parseSILDottedPathWithoutPound(*ClangDecl))
|
|
return true;
|
|
|
|
SP.P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
continue;
|
|
}
|
|
else {
|
|
SP.P.diagnose(SP.P.Tok, diag::expected_in_attribute_list);
|
|
return true;
|
|
}
|
|
SP.P.consumeToken(tok::identifier);
|
|
SP.P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool SILParser::performTypeLocChecking(TypeLoc &T, bool IsSILType,
|
|
GenericEnvironment *GenericEnv,
|
|
DeclContext *DC) {
|
|
if (GenericEnv == nullptr)
|
|
GenericEnv = ContextGenericEnv;
|
|
|
|
if (!DC)
|
|
DC = &P.SF;
|
|
else if (!GenericEnv)
|
|
GenericEnv = DC->getGenericEnvironmentOfContext();
|
|
|
|
return swift::performTypeLocChecking(P.Context, T,
|
|
/*isSILMode=*/true, IsSILType,
|
|
GenericEnv, DC);
|
|
}
|
|
|
|
/// Find the top-level ValueDecl or Module given a name.
|
|
static llvm::PointerUnion<ValueDecl *, ModuleDecl *>
|
|
lookupTopDecl(Parser &P, DeclBaseName Name, bool typeLookup) {
|
|
// Use UnqualifiedLookup to look through all of the imports.
|
|
UnqualifiedLookupOptions options;
|
|
if (typeLookup)
|
|
options |= UnqualifiedLookupFlags::TypeLookup;
|
|
|
|
auto &ctx = P.SF.getASTContext();
|
|
auto descriptor = UnqualifiedLookupDescriptor(DeclNameRef(Name), &P.SF);
|
|
auto lookup = evaluateOrDefault(ctx.evaluator,
|
|
UnqualifiedLookupRequest{descriptor}, {});
|
|
assert(lookup.size() == 1);
|
|
return lookup.back().getValueDecl();
|
|
}
|
|
|
|
/// Find the ValueDecl given an interface type and a member name.
|
|
static ValueDecl *lookupMember(Parser &P, Type Ty, DeclBaseName Name,
|
|
SourceLoc Loc,
|
|
SmallVectorImpl<ValueDecl *> &Lookup,
|
|
bool ExpectMultipleResults) {
|
|
Type CheckTy = Ty;
|
|
if (auto MetaTy = CheckTy->getAs<AnyMetatypeType>())
|
|
CheckTy = MetaTy->getInstanceType();
|
|
|
|
if (auto nominal = CheckTy->getAnyNominal()) {
|
|
if (Name == DeclBaseName::createDestructor() &&
|
|
isa<ClassDecl>(nominal)) {
|
|
auto *classDecl = cast<ClassDecl>(nominal);
|
|
Lookup.push_back(classDecl->getDestructor());
|
|
} else {
|
|
auto found = nominal->lookupDirect(Name);
|
|
Lookup.append(found.begin(), found.end());
|
|
}
|
|
} else if (auto moduleTy = CheckTy->getAs<ModuleType>()) {
|
|
moduleTy->getModule()->lookupValue(Name, NLKind::QualifiedLookup, Lookup);
|
|
} else {
|
|
P.diagnose(Loc, diag::sil_member_lookup_bad_type, Name, Ty);
|
|
return nullptr;
|
|
}
|
|
|
|
if (Lookup.empty() || (!ExpectMultipleResults && Lookup.size() != 1)) {
|
|
P.diagnose(Loc, diag::sil_named_member_decl_not_found, Name, Ty);
|
|
return nullptr;
|
|
}
|
|
return Lookup[0];
|
|
}
|
|
|
|
bool SILParser::parseASTType(CanType &result, GenericEnvironment *env) {
|
|
ParserResult<TypeRepr> parsedType = P.parseType();
|
|
if (parsedType.isNull()) return true;
|
|
TypeLoc loc = parsedType.get();
|
|
if (performTypeLocChecking(loc, /*IsSILType=*/ false, env))
|
|
return true;
|
|
|
|
if (env)
|
|
result = loc.getType()->mapTypeOutOfContext()->getCanonicalType();
|
|
else
|
|
result = loc.getType()->getCanonicalType();
|
|
|
|
// Invoke the callback on the parsed type.
|
|
ParsedTypeCallback(loc.getType());
|
|
return false;
|
|
}
|
|
|
|
/// sil-type:
|
|
/// '$' '*'? attribute-list (generic-params)? type
|
|
///
|
|
bool SILParser::parseSILType(SILType &Result,
|
|
GenericEnvironment *&ParsedGenericEnv,
|
|
bool IsFuncDecl,
|
|
GenericEnvironment *OuterGenericEnv) {
|
|
ParsedGenericEnv = nullptr;
|
|
|
|
if (P.parseToken(tok::sil_dollar, diag::expected_sil_type))
|
|
return true;
|
|
|
|
// If we have a '*', then this is an address type.
|
|
SILValueCategory category = SILValueCategory::Object;
|
|
if (P.Tok.isAnyOperator() && P.Tok.getText().startswith("*")) {
|
|
category = SILValueCategory::Address;
|
|
P.consumeStartingCharacterOfCurrentToken();
|
|
}
|
|
|
|
// Parse attributes.
|
|
ParamDecl::Specifier specifier;
|
|
SourceLoc specifierLoc;
|
|
TypeAttributes attrs;
|
|
P.parseTypeAttributeList(specifier, specifierLoc, attrs);
|
|
|
|
// Global functions are implicitly @convention(thin) if not specified otherwise.
|
|
if (IsFuncDecl && !attrs.has(TAK_convention)) {
|
|
// Use a random location.
|
|
attrs.setAttr(TAK_convention, P.PreviousLoc);
|
|
attrs.ConventionArguments =
|
|
TypeAttributes::Convention::makeSwiftConvention("thin");
|
|
}
|
|
|
|
ParserResult<TypeRepr> TyR = P.parseType(diag::expected_sil_type,
|
|
/*handleCodeCompletion*/ true,
|
|
/*isSILFuncDecl*/ IsFuncDecl);
|
|
|
|
if (TyR.isNull())
|
|
return true;
|
|
|
|
// Resolve the generic environments for parsed generic function and box types.
|
|
class HandleSILGenericParamsWalker : public ASTWalker {
|
|
SourceFile *SF;
|
|
public:
|
|
HandleSILGenericParamsWalker(SourceFile *SF) : SF(SF) {}
|
|
|
|
bool walkToTypeReprPre(TypeRepr *T) override {
|
|
if (auto fnType = dyn_cast<FunctionTypeRepr>(T)) {
|
|
if (auto generics = fnType->getGenericParams()) {
|
|
auto env = handleSILGenericParams(generics, SF);
|
|
fnType->setGenericEnvironment(env);
|
|
}
|
|
if (auto generics = fnType->getPatternGenericParams()) {
|
|
auto env = handleSILGenericParams(generics, SF);
|
|
fnType->setPatternGenericEnvironment(env);
|
|
}
|
|
}
|
|
if (auto boxType = dyn_cast<SILBoxTypeRepr>(T)) {
|
|
if (auto generics = boxType->getGenericParams()) {
|
|
auto env = handleSILGenericParams(generics, SF);
|
|
boxType->setGenericEnvironment(env);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
TyR.get()->walk(HandleSILGenericParamsWalker(&P.SF));
|
|
|
|
// Save the top-level function generic environment if there was one.
|
|
if (auto fnType = dyn_cast<FunctionTypeRepr>(TyR.get()))
|
|
if (auto env = fnType->getGenericEnvironment())
|
|
ParsedGenericEnv = env;
|
|
|
|
// Apply attributes to the type.
|
|
TypeLoc Ty = P.applyAttributeToType(TyR.get(), attrs, specifier, specifierLoc);
|
|
|
|
if (performTypeLocChecking(Ty, /*IsSILType=*/true, OuterGenericEnv))
|
|
return true;
|
|
|
|
Result = SILType::getPrimitiveType(Ty.getType()->getCanonicalType(),
|
|
category);
|
|
|
|
// Invoke the callback on the parsed type.
|
|
ParsedTypeCallback(Ty.getType());
|
|
|
|
return false;
|
|
}
|
|
|
|
bool SILParser::parseSILDottedPath(ValueDecl *&Decl,
|
|
SmallVectorImpl<ValueDecl *> &values) {
|
|
if (P.parseToken(tok::pound, diag::expected_sil_constant))
|
|
return true;
|
|
return parseSILDottedPathWithoutPound(Decl, values);
|
|
}
|
|
|
|
bool SILParser::parseSILDottedPathWithoutPound(ValueDecl *&Decl,
|
|
SmallVectorImpl<ValueDecl *> &values) {
|
|
// Handle sil-dotted-path.
|
|
Identifier Id;
|
|
SmallVector<DeclBaseName, 4> FullName;
|
|
SmallVector<SourceLoc, 4> Locs;
|
|
do {
|
|
Locs.push_back(P.Tok.getLoc());
|
|
switch (P.Tok.getKind()) {
|
|
case tok::kw_subscript:
|
|
P.consumeToken();
|
|
FullName.push_back(DeclBaseName::createSubscript());
|
|
break;
|
|
case tok::kw_init:
|
|
P.consumeToken();
|
|
FullName.push_back(DeclBaseName::createConstructor());
|
|
break;
|
|
case tok::kw_deinit:
|
|
P.consumeToken();
|
|
FullName.push_back(DeclBaseName::createDestructor());
|
|
break;
|
|
default:
|
|
if (parseSILIdentifier(Id, diag::expected_sil_constant))
|
|
return true;
|
|
FullName.push_back(Id);
|
|
break;
|
|
}
|
|
} while (P.consumeIf(tok::period));
|
|
|
|
// Look up ValueDecl from a dotted path. If there are multiple components,
|
|
// the first one must be a type declaration.
|
|
ValueDecl *VD;
|
|
llvm::PointerUnion<ValueDecl*, ModuleDecl *> Res = lookupTopDecl(
|
|
P, FullName[0], /*typeLookup=*/FullName.size() > 1);
|
|
// It is possible that the last member lookup can return multiple lookup
|
|
// results. One example is the overloaded member functions.
|
|
if (Res.is<ModuleDecl*>()) {
|
|
assert(FullName.size() > 1 &&
|
|
"A single module is not a full path to SILDeclRef");
|
|
auto Mod = Res.get<ModuleDecl*>();
|
|
values.clear();
|
|
VD = lookupMember(P, ModuleType::get(Mod), FullName[1], Locs[1], values,
|
|
FullName.size() == 2/*ExpectMultipleResults*/);
|
|
for (unsigned I = 2, E = FullName.size(); I < E; I++) {
|
|
values.clear();
|
|
VD = lookupMember(P, VD->getInterfaceType(), FullName[I], Locs[I], values,
|
|
I == FullName.size() - 1/*ExpectMultipleResults*/);
|
|
}
|
|
} else {
|
|
VD = Res.get<ValueDecl*>();
|
|
for (unsigned I = 1, E = FullName.size(); I < E; I++) {
|
|
values.clear();
|
|
VD = lookupMember(P, VD->getInterfaceType(), FullName[I], Locs[I], values,
|
|
I == FullName.size() - 1/*ExpectMultipleResults*/);
|
|
}
|
|
}
|
|
Decl = VD;
|
|
return false;
|
|
}
|
|
|
|
static Optional<AccessorKind> getAccessorKind(StringRef ident) {
|
|
return llvm::StringSwitch<Optional<AccessorKind>>(ident)
|
|
.Case("getter", AccessorKind::Get)
|
|
.Case("setter", AccessorKind::Set)
|
|
.Case("addressor", AccessorKind::Address)
|
|
.Case("mutableAddressor", AccessorKind::MutableAddress)
|
|
.Case("read", AccessorKind::Read)
|
|
.Case("modify", AccessorKind::Modify)
|
|
.Default(None);
|
|
}
|
|
|
|
/// sil-decl-ref ::= '#' sil-identifier ('.' sil-identifier)* sil-decl-subref?
|
|
/// sil-decl-subref ::= '!' sil-decl-subref-part ('.' sil-decl-lang)?
|
|
/// ('.' sil-decl-autodiff)?
|
|
/// sil-decl-subref ::= '!' sil-decl-lang
|
|
/// sil-decl-subref-part ::= 'getter'
|
|
/// sil-decl-subref-part ::= 'setter'
|
|
/// sil-decl-subref-part ::= 'allocator'
|
|
/// sil-decl-subref-part ::= 'initializer'
|
|
/// sil-decl-subref-part ::= 'enumelt'
|
|
/// sil-decl-subref-part ::= 'destroyer'
|
|
/// sil-decl-subref-part ::= 'globalaccessor'
|
|
/// sil-decl-lang ::= 'foreign'
|
|
/// sil-decl-autodiff ::= sil-decl-autodiff-kind '.' sil-decl-autodiff-indices
|
|
/// sil-decl-autodiff-kind ::= 'jvp'
|
|
/// sil-decl-autodiff-kind ::= 'vjp'
|
|
/// sil-decl-autodiff-indices ::= [SU]+
|
|
bool SILParser::parseSILDeclRef(SILDeclRef &Result,
|
|
SmallVectorImpl<ValueDecl *> &values) {
|
|
ValueDecl *VD;
|
|
if (parseSILDottedPath(VD, values))
|
|
return true;
|
|
|
|
// Initialize SILDeclRef components.
|
|
SILDeclRef::Kind Kind = SILDeclRef::Kind::Func;
|
|
bool IsObjC = false;
|
|
AutoDiffDerivativeFunctionIdentifier *DerivativeId = nullptr;
|
|
|
|
if (!P.consumeIf(tok::sil_exclamation)) {
|
|
// Construct SILDeclRef.
|
|
Result = SILDeclRef(VD, Kind, IsObjC, DerivativeId);
|
|
return false;
|
|
}
|
|
|
|
// Handle SILDeclRef components. ParseState tracks the last parsed component.
|
|
//
|
|
// When ParseState is 0, accept kind (`func|getter|setter|...`) and set
|
|
// ParseState to 1.
|
|
//
|
|
// Always accept `foreign` and derivative function identifier.
|
|
unsigned ParseState = 0;
|
|
Identifier Id;
|
|
do {
|
|
if (P.Tok.is(tok::identifier)) {
|
|
auto IdLoc = P.Tok.getLoc();
|
|
if (parseSILIdentifier(Id, diag::expected_sil_constant))
|
|
return true;
|
|
Optional<AccessorKind> accessorKind;
|
|
if (!ParseState && Id.str() == "func") {
|
|
Kind = SILDeclRef::Kind::Func;
|
|
ParseState = 1;
|
|
} else if (!ParseState &&
|
|
(accessorKind = getAccessorKind(Id.str())).hasValue()) {
|
|
// Drill down to the corresponding accessor for each declaration,
|
|
// compacting away decls that lack it.
|
|
size_t destI = 0;
|
|
for (size_t srcI = 0, e = values.size(); srcI != e; ++srcI) {
|
|
if (auto storage = dyn_cast<AbstractStorageDecl>(values[srcI]))
|
|
if (auto accessor = storage->getOpaqueAccessor(*accessorKind))
|
|
values[destI++] = accessor;
|
|
}
|
|
values.resize(destI);
|
|
|
|
// Complain if none of the decls had a corresponding accessor.
|
|
if (destI == 0) {
|
|
P.diagnose(IdLoc, diag::referenced_value_no_accessor, 0);
|
|
return true;
|
|
}
|
|
|
|
Kind = SILDeclRef::Kind::Func;
|
|
VD = values[0];
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "allocator") {
|
|
Kind = SILDeclRef::Kind::Allocator;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "initializer") {
|
|
Kind = SILDeclRef::Kind::Initializer;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "enumelt") {
|
|
Kind = SILDeclRef::Kind::EnumElement;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "destroyer") {
|
|
Kind = SILDeclRef::Kind::Destroyer;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "deallocator") {
|
|
Kind = SILDeclRef::Kind::Deallocator;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "globalaccessor") {
|
|
Kind = SILDeclRef::Kind::GlobalAccessor;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "ivardestroyer") {
|
|
Kind = SILDeclRef::Kind::IVarDestroyer;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "ivarinitializer") {
|
|
Kind = SILDeclRef::Kind::IVarInitializer;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "defaultarg") {
|
|
Kind = SILDeclRef::Kind::IVarInitializer;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "propertyinit") {
|
|
Kind = SILDeclRef::Kind::StoredPropertyInitializer;
|
|
ParseState = 1;
|
|
} else if (!ParseState && Id.str() == "backinginit") {
|
|
Kind = SILDeclRef::Kind::PropertyWrapperBackingInitializer;
|
|
ParseState = 1;
|
|
} else if (Id.str() == "foreign") {
|
|
IsObjC = true;
|
|
break;
|
|
} else if (Id.str() == "jvp" || Id.str() == "vjp") {
|
|
IndexSubset *parameterIndices = nullptr;
|
|
GenericSignature derivativeGenSig;
|
|
// Parse derivative function kind.
|
|
AutoDiffDerivativeFunctionKind derivativeKind(Id.str());
|
|
if (!P.consumeIf(tok::period)) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, ".");
|
|
return true;
|
|
}
|
|
// Parse parameter indices.
|
|
parameterIndices =
|
|
IndexSubset::getFromString(SILMod.getASTContext(), P.Tok.getText());
|
|
if (!parameterIndices) {
|
|
P.diagnose(P.Tok, diag::invalid_index_subset);
|
|
return true;
|
|
}
|
|
P.consumeToken();
|
|
// Parse derivative generic signature (optional).
|
|
if (P.Tok.is(tok::oper_binary_unspaced) && P.Tok.getText() == ".<") {
|
|
P.consumeStartingCharacterOfCurrentToken(tok::period);
|
|
// Create a new scope to avoid type redefinition errors.
|
|
Scope genericsScope(&P, ScopeKind::Generics);
|
|
auto *genericParams = P.maybeParseGenericParams().getPtrOrNull();
|
|
assert(genericParams);
|
|
auto *derivativeGenEnv = handleSILGenericParams(genericParams, &P.SF);
|
|
derivativeGenSig = derivativeGenEnv->getGenericSignature();
|
|
}
|
|
DerivativeId = AutoDiffDerivativeFunctionIdentifier::get(
|
|
derivativeKind, parameterIndices, derivativeGenSig,
|
|
SILMod.getASTContext());
|
|
break;
|
|
} else {
|
|
break;
|
|
}
|
|
} else
|
|
break;
|
|
|
|
} while (P.consumeIf(tok::period));
|
|
|
|
// Construct SILDeclRef.
|
|
Result = SILDeclRef(VD, Kind, IsObjC, DerivativeId);
|
|
return false;
|
|
}
|
|
|
|
/// parseValueName - Parse a value name without a type available yet.
|
|
///
|
|
/// sil-value-name:
|
|
/// sil-local-name
|
|
/// 'undef'
|
|
///
|
|
bool SILParser::parseValueName(UnresolvedValueName &Result) {
|
|
Result.Name = P.Tok.getText();
|
|
|
|
if (P.Tok.is(tok::kw_undef)) {
|
|
Result.NameLoc = P.consumeToken(tok::kw_undef);
|
|
return false;
|
|
}
|
|
|
|
// Parse the local-name.
|
|
if (P.parseToken(tok::sil_local_name, Result.NameLoc,
|
|
diag::expected_sil_value_name))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// parseValueRef - Parse a value, given a contextual type.
|
|
///
|
|
/// sil-value-ref:
|
|
/// sil-local-name
|
|
///
|
|
bool SILParser::parseValueRef(SILValue &Result, SILType Ty,
|
|
SILLocation Loc, SILBuilder &B) {
|
|
UnresolvedValueName Name;
|
|
if (parseValueName(Name)) return true;
|
|
Result = getLocalValue(Name, Ty, Loc, B);
|
|
return false;
|
|
}
|
|
|
|
/// parseTypedValueRef - Parse a type/value reference pair.
|
|
///
|
|
/// sil-typed-valueref:
|
|
/// sil-value-ref ':' sil-type
|
|
///
|
|
bool SILParser::parseTypedValueRef(SILValue &Result, SourceLoc &Loc,
|
|
SILBuilder &B) {
|
|
Loc = P.Tok.getLoc();
|
|
|
|
UnresolvedValueName Name;
|
|
SILType Ty;
|
|
if (parseValueName(Name) ||
|
|
P.parseToken(tok::colon, diag::expected_sil_colon_value_ref) ||
|
|
parseSILType(Ty))
|
|
return true;
|
|
|
|
Result = getLocalValue(Name, Ty, RegularLocation(Loc), B);
|
|
return false;
|
|
}
|
|
|
|
/// Look up whether the given string corresponds to a SIL opcode.
|
|
static Optional<SILInstructionKind> getOpcodeByName(StringRef OpcodeName) {
|
|
return llvm::StringSwitch<Optional<SILInstructionKind>>(OpcodeName)
|
|
#define FULL_INST(Id, TextualName, Parent, MemBehavior, MayRelease) \
|
|
.Case(#TextualName, SILInstructionKind::Id)
|
|
#include "swift/SIL/SILNodes.def"
|
|
.Default(None);
|
|
}
|
|
|
|
/// getInstructionKind - This method maps the string form of a SIL instruction
|
|
/// opcode to an enum.
|
|
bool SILParser::parseSILOpcode(SILInstructionKind &Opcode, SourceLoc &OpcodeLoc,
|
|
StringRef &OpcodeName) {
|
|
OpcodeLoc = P.Tok.getLoc();
|
|
OpcodeName = P.Tok.getText();
|
|
// Parse this textually to avoid Swift keywords (like 'return') from
|
|
// interfering with opcode recognition.
|
|
auto MaybeOpcode = getOpcodeByName(OpcodeName);
|
|
if (!MaybeOpcode) {
|
|
P.diagnose(OpcodeLoc, diag::expected_sil_instr_opcode);
|
|
return true;
|
|
}
|
|
|
|
Opcode = MaybeOpcode.getValue();
|
|
P.consumeToken();
|
|
return false;
|
|
}
|
|
|
|
static bool peekSILDebugLocation(Parser &P) {
|
|
auto T = P.peekToken().getText();
|
|
return P.Tok.is(tok::comma) && (T == "loc" || T == "scope");
|
|
}
|
|
|
|
bool SILParser::parseSILDebugVar(SILDebugVariable &Var) {
|
|
while (P.Tok.is(tok::comma) && !peekSILDebugLocation(P)) {
|
|
P.consumeToken();
|
|
StringRef Key = P.Tok.getText();
|
|
if (Key == "name") {
|
|
P.consumeToken();
|
|
if (P.Tok.getKind() != tok::string_literal) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "string");
|
|
return true;
|
|
}
|
|
// Drop the double quotes.
|
|
StringRef Val = P.Tok.getText().drop_front().drop_back();
|
|
Var.Name = Val;
|
|
} else if (Key == "argno") {
|
|
P.consumeToken();
|
|
if (P.Tok.getKind() != tok::integer_literal) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "integer");
|
|
return true;
|
|
}
|
|
uint16_t ArgNo;
|
|
if (parseIntegerLiteral(P.Tok.getText(), 0, ArgNo))
|
|
return true;
|
|
Var.ArgNo = ArgNo;
|
|
} else if (Key == "let") {
|
|
Var.Constant = true;
|
|
} else if (Key == "var") {
|
|
Var.Constant = false;
|
|
} else if (Key == "loc") {
|
|
Var.Constant = false;
|
|
} else {
|
|
P.diagnose(P.Tok, diag::sil_dbg_unknown_key, Key);
|
|
return true;
|
|
}
|
|
P.consumeToken();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool SILParser::parseSILBBArgsAtBranch(SmallVector<SILValue, 6> &Args,
|
|
SILBuilder &B) {
|
|
if (P.Tok.is(tok::l_paren)) {
|
|
SourceLoc LParenLoc = P.consumeToken(tok::l_paren);
|
|
SourceLoc RParenLoc;
|
|
|
|
bool HasError = false;
|
|
if (P.parseList(tok::r_paren, LParenLoc, RParenLoc,
|
|
/*AllowSepAfterLast=*/false,
|
|
diag::sil_basicblock_arg_rparen,
|
|
SyntaxKind::Unknown,
|
|
[&]() -> ParserStatus {
|
|
SILValue Arg;
|
|
SourceLoc ArgLoc;
|
|
if (parseTypedValueRef(Arg, ArgLoc, B)) {
|
|
HasError = true;
|
|
return makeParserError();
|
|
}
|
|
Args.push_back(Arg);
|
|
return makeParserSuccess();
|
|
}).isError() || HasError)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// Bind any unqualified 'Self' references to the given protocol's 'Self'
|
|
/// generic parameter.
|
|
///
|
|
/// FIXME: This is a hack to work around the lack of a DeclContext for
|
|
/// witness tables.
|
|
static void bindProtocolSelfInTypeRepr(TypeLoc &TL, ProtocolDecl *proto) {
|
|
if (auto typeRepr = TL.getTypeRepr()) {
|
|
// AST walker to update 'Self' references.
|
|
class BindProtocolSelf : public ASTWalker {
|
|
ProtocolDecl *proto;
|
|
GenericTypeParamDecl *selfParam;
|
|
Identifier selfId;
|
|
|
|
public:
|
|
BindProtocolSelf(ProtocolDecl *proto)
|
|
: proto(proto),
|
|
selfParam(proto->getProtocolSelfType()->getDecl()),
|
|
selfId(proto->getASTContext().Id_Self) {
|
|
}
|
|
|
|
virtual bool walkToTypeReprPre(TypeRepr *T) override {
|
|
if (auto ident = dyn_cast<IdentTypeRepr>(T)) {
|
|
auto firstComponent = ident->getComponentRange().front();
|
|
if (firstComponent->getNameRef().isSimpleName(selfId))
|
|
firstComponent->setValue(selfParam, proto);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
typeRepr->walk(BindProtocolSelf(proto));
|
|
}
|
|
}
|
|
|
|
/// Parse the substitution list for an apply instruction or
|
|
/// specialized protocol conformance.
|
|
bool SILParser::parseSubstitutions(SmallVectorImpl<ParsedSubstitution> &parsed,
|
|
GenericEnvironment *GenericEnv,
|
|
ProtocolDecl *defaultForProto) {
|
|
// Check for an opening '<' bracket.
|
|
if (!P.startsWithLess(P.Tok))
|
|
return false;
|
|
|
|
P.consumeStartingLess();
|
|
|
|
// Parse a list of Substitutions.
|
|
do {
|
|
SourceLoc Loc = P.Tok.getLoc();
|
|
|
|
// Parse substitution as AST type.
|
|
ParserResult<TypeRepr> TyR = P.parseType();
|
|
if (TyR.isNull())
|
|
return true;
|
|
TypeLoc Ty = TyR.get();
|
|
if (defaultForProto)
|
|
bindProtocolSelfInTypeRepr(Ty, defaultForProto);
|
|
if (performTypeLocChecking(Ty, /*IsSILType=*/ false, GenericEnv,
|
|
defaultForProto))
|
|
return true;
|
|
parsed.push_back({Loc, Ty.getType()});
|
|
} while (P.consumeIf(tok::comma));
|
|
|
|
// Consume the closing '>'.
|
|
if (!P.startsWithGreater(P.Tok)) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, ">");
|
|
return true;
|
|
}
|
|
P.consumeStartingGreater();
|
|
|
|
return false;
|
|
}
|
|
|
|
/// Collect conformances by looking up the conformance from replacement
|
|
/// type and protocol decl.
|
|
static bool getConformancesForSubstitution(Parser &P,
|
|
ExistentialLayout::ProtocolTypeArrayRef protocols,
|
|
Type subReplacement,
|
|
SourceLoc loc,
|
|
SmallVectorImpl<ProtocolConformanceRef> &conformances) {
|
|
auto M = P.SF.getParentModule();
|
|
|
|
for (auto protoTy : protocols) {
|
|
auto conformance = M->lookupConformance(subReplacement,
|
|
protoTy->getDecl());
|
|
if (conformance.isInvalid()) {
|
|
P.diagnose(loc, diag::sil_substitution_mismatch, subReplacement, protoTy);
|
|
return true;
|
|
}
|
|
conformances.push_back(conformance);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// Reconstruct an AST substitution map from parsed substitutions.
|
|
SubstitutionMap getApplySubstitutionsFromParsed(
|
|
SILParser &SP,
|
|
GenericEnvironment *env,
|
|
ArrayRef<ParsedSubstitution> parses) {
|
|
if (parses.empty()) {
|
|
assert(!env);
|
|
return SubstitutionMap();
|
|
}
|
|
|
|
assert(env);
|
|
|
|
auto loc = parses[0].loc;
|
|
|
|
// Ensure that we have the right number of type arguments.
|
|
auto genericSig = env->getGenericSignature();
|
|
if (parses.size() != genericSig->getGenericParams().size()) {
|
|
bool hasTooFew = parses.size() < genericSig->getGenericParams().size();
|
|
SP.P.diagnose(loc,
|
|
hasTooFew ? diag::sil_missing_substitutions
|
|
: diag::sil_too_many_substitutions);
|
|
return SubstitutionMap();
|
|
}
|
|
|
|
bool failed = false;
|
|
auto subMap = SubstitutionMap::get(
|
|
genericSig,
|
|
[&](SubstitutableType *type) -> Type {
|
|
auto genericParam = dyn_cast<GenericTypeParamType>(type);
|
|
if (!genericParam)
|
|
return nullptr;
|
|
|
|
auto index = genericSig->getGenericParamOrdinal(genericParam);
|
|
assert(index < genericSig->getGenericParams().size());
|
|
assert(index < parses.size());
|
|
|
|
// Provide the replacement type.
|
|
return parses[index].replacement;
|
|
},
|
|
[&](CanType dependentType, Type replacementType,
|
|
ProtocolDecl *proto) -> ProtocolConformanceRef {
|
|
auto M = SP.P.SF.getParentModule();
|
|
if (auto conformance = M->lookupConformance(replacementType, proto))
|
|
return conformance;
|
|
|
|
SP.P.diagnose(loc, diag::sil_substitution_mismatch, replacementType,
|
|
proto->getDeclaredType());
|
|
failed = true;
|
|
|
|
return ProtocolConformanceRef(proto);
|
|
});
|
|
|
|
return failed ? SubstitutionMap() : subMap;
|
|
}
|
|
|
|
static ArrayRef<ProtocolConformanceRef>
|
|
collectExistentialConformances(Parser &P, CanType conformingType, SourceLoc loc,
|
|
CanType protocolType) {
|
|
auto layout = protocolType.getExistentialLayout();
|
|
|
|
if (layout.requiresClass()) {
|
|
if (!conformingType->mayHaveSuperclass() &&
|
|
!conformingType->isObjCExistentialType()) {
|
|
P.diagnose(loc, diag::sil_not_class, conformingType);
|
|
}
|
|
}
|
|
|
|
// FIXME: Check superclass also.
|
|
|
|
auto protocols = layout.getProtocols();
|
|
if (protocols.empty())
|
|
return {};
|
|
|
|
SmallVector<ProtocolConformanceRef, 2> conformances;
|
|
getConformancesForSubstitution(P, protocols, conformingType,
|
|
loc, conformances);
|
|
|
|
return P.Context.AllocateCopy(conformances);
|
|
}
|
|
|
|
/// sil-loc ::= 'loc' string-literal ':' [0-9]+ ':' [0-9]+
|
|
bool SILParser::parseSILLocation(SILLocation &Loc) {
|
|
SILLocation::DebugLoc L;
|
|
if (parseVerbatim("loc"))
|
|
return true;
|
|
|
|
if (P.Tok.getKind() != tok::string_literal) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "string");
|
|
return true;
|
|
}
|
|
// Drop the double quotes.
|
|
StringRef File = P.Tok.getText().drop_front().drop_back();
|
|
L.Filename = P.Context.getIdentifier(File).str().data();
|
|
P.consumeToken(tok::string_literal);
|
|
if (P.parseToken(tok::colon, diag::expected_colon_in_sil_location))
|
|
return true;
|
|
if (parseInteger(L.Line, diag::sil_invalid_line_in_sil_location))
|
|
return true;
|
|
if (P.parseToken(tok::colon, diag::expected_colon_in_sil_location))
|
|
return true;
|
|
if (parseInteger(L.Column, diag::sil_invalid_column_in_sil_location))
|
|
return true;
|
|
|
|
Loc.setDebugInfoLoc(L);
|
|
return false;
|
|
}
|
|
|
|
bool SILParser::parseScopeRef(SILDebugScope *&DS) {
|
|
unsigned Slot;
|
|
SourceLoc SlotLoc = P.Tok.getLoc();
|
|
if (parseInteger(Slot, diag::sil_invalid_scope_slot))
|
|
return true;
|
|
|
|
DS = TUState.ScopeSlots[Slot];
|
|
if (!DS) {
|
|
P.diagnose(SlotLoc, diag::sil_scope_undeclared, Slot);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// (',' sil-loc)? (',' sil-scope-ref)?
|
|
bool SILParser::parseSILDebugLocation(SILLocation &L, SILBuilder &B,
|
|
bool parsedComma) {
|
|
// Parse the debug information, if any.
|
|
if (P.Tok.is(tok::comma)) {
|
|
P.consumeToken();
|
|
parsedComma = true;
|
|
}
|
|
if (!parsedComma)
|
|
return false;
|
|
|
|
bool requireScope = false;
|
|
if (P.Tok.getText() == "loc") {
|
|
if (parseSILLocation(L))
|
|
return true;
|
|
|
|
if (P.Tok.is(tok::comma)) {
|
|
P.consumeToken();
|
|
requireScope = true;
|
|
}
|
|
}
|
|
if (P.Tok.getText() == "scope" || requireScope) {
|
|
parseVerbatim("scope");
|
|
SILDebugScope *DS = nullptr;
|
|
if (parseScopeRef(DS))
|
|
return true;
|
|
if (DS)
|
|
B.setCurrentDebugScope(DS);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool parseLoadOwnershipQualifier(LoadOwnershipQualifier &Result,
|
|
SILParser &P) {
|
|
StringRef Str;
|
|
// If we do not parse '[' ... ']', we have unqualified. Set value and return.
|
|
if (!parseSILOptional(Str, P)) {
|
|
Result = LoadOwnershipQualifier::Unqualified;
|
|
return false;
|
|
}
|
|
|
|
// Then try to parse one of our other qualifiers. We do not support parsing
|
|
// unqualified here so we use that as our fail value.
|
|
auto Tmp = llvm::StringSwitch<LoadOwnershipQualifier>(Str)
|
|
.Case("take", LoadOwnershipQualifier::Take)
|
|
.Case("copy", LoadOwnershipQualifier::Copy)
|
|
.Case("trivial", LoadOwnershipQualifier::Trivial)
|
|
.Default(LoadOwnershipQualifier::Unqualified);
|
|
|
|
// Thus return true (following the conventions in this file) if we fail.
|
|
if (Tmp == LoadOwnershipQualifier::Unqualified)
|
|
return true;
|
|
|
|
// Otherwise, assign Result and return false.
|
|
Result = Tmp;
|
|
return false;
|
|
}
|
|
|
|
static bool parseStoreOwnershipQualifier(StoreOwnershipQualifier &Result,
|
|
SILParser &P) {
|
|
StringRef Str;
|
|
// If we do not parse '[' ... ']', we have unqualified. Set value and return.
|
|
if (!parseSILOptional(Str, P)) {
|
|
Result = StoreOwnershipQualifier::Unqualified;
|
|
return false;
|
|
}
|
|
|
|
// Then try to parse one of our other qualifiers. We do not support parsing
|
|
// unqualified here so we use that as our fail value.
|
|
auto Tmp = llvm::StringSwitch<StoreOwnershipQualifier>(Str)
|
|
.Case("init", StoreOwnershipQualifier::Init)
|
|
.Case("assign", StoreOwnershipQualifier::Assign)
|
|
.Case("trivial", StoreOwnershipQualifier::Trivial)
|
|
.Default(StoreOwnershipQualifier::Unqualified);
|
|
|
|
// Thus return true (following the conventions in this file) if we fail.
|
|
if (Tmp == StoreOwnershipQualifier::Unqualified)
|
|
return true;
|
|
|
|
// Otherwise, assign Result and return false.
|
|
Result = Tmp;
|
|
return false;
|
|
}
|
|
|
|
static bool parseAssignOwnershipQualifier(AssignOwnershipQualifier &Result,
|
|
SILParser &P) {
|
|
StringRef Str;
|
|
// If we do not parse '[' ... ']', we have unknown. Set value and return.
|
|
if (!parseSILOptional(Str, P)) {
|
|
Result = AssignOwnershipQualifier::Unknown;
|
|
return false;
|
|
}
|
|
|
|
// Then try to parse one of our other initialization kinds. We do not support
|
|
// parsing unknown here so we use that as our fail value.
|
|
auto Tmp = llvm::StringSwitch<AssignOwnershipQualifier>(Str)
|
|
.Case("reassign", AssignOwnershipQualifier::Reassign)
|
|
.Case("reinit", AssignOwnershipQualifier::Reinit)
|
|
.Case("init", AssignOwnershipQualifier::Init)
|
|
.Default(AssignOwnershipQualifier::Unknown);
|
|
|
|
// Thus return true (following the conventions in this file) if we fail.
|
|
if (Tmp == AssignOwnershipQualifier::Unknown)
|
|
return true;
|
|
|
|
// Otherwise, assign Result and return false.
|
|
Result = Tmp;
|
|
return false;
|
|
}
|
|
|
|
// Parse a list of integer indices, prefaced with the given string label.
|
|
// Returns true on error.
|
|
static bool parseIndexList(Parser &P, StringRef label,
|
|
SmallVectorImpl<unsigned> &indices,
|
|
const Diagnostic &parseIndexDiag) {
|
|
SourceLoc loc;
|
|
// Parse `[<label> <integer_literal>...]`.
|
|
if (P.parseToken(tok::l_square, diag::sil_autodiff_expected_lsquare,
|
|
"index list") ||
|
|
P.parseSpecificIdentifier(
|
|
label, diag::sil_autodiff_expected_index_list_label, label))
|
|
return true;
|
|
while (P.Tok.is(tok::integer_literal)) {
|
|
unsigned index;
|
|
if (P.parseUnsignedInteger(index, loc, parseIndexDiag))
|
|
return true;
|
|
indices.push_back(index);
|
|
}
|
|
if (P.parseToken(tok::r_square, diag::sil_autodiff_expected_rsquare,
|
|
"index list"))
|
|
return true;
|
|
return false;
|
|
};
|
|
|
|
/// sil-differentiability-witness-config-and-function ::=
|
|
/// '[' 'parameters' index-subset ']'
|
|
/// '[' 'results' index-subset ']'
|
|
/// ('<' 'where' derivative-generic-signature-requirements '>')?
|
|
/// sil-function-ref
|
|
///
|
|
/// e.g. parameters 0 1] [results 0] <T where T: Differentiable>
|
|
/// @foo : <T> $(T) -> T
|
|
static Optional<std::pair<AutoDiffConfig, SILFunction *>>
|
|
parseSILDifferentiabilityWitnessConfigAndFunction(Parser &P, SILParser &SP,
|
|
SILLocation L) {
|
|
// Parse parameter and result indices.
|
|
SmallVector<unsigned, 8> parameterIndices;
|
|
SmallVector<unsigned, 8> resultIndices;
|
|
if (parseIndexList(P, "parameters", parameterIndices,
|
|
diag::sil_autodiff_expected_parameter_index))
|
|
return {};
|
|
if (parseIndexList(P, "results", resultIndices,
|
|
diag::sil_autodiff_expected_result_index))
|
|
return {};
|
|
// Parse witness generic parameter clause.
|
|
GenericSignature witnessGenSig = GenericSignature();
|
|
SourceLoc witnessGenSigStartLoc = P.getEndOfPreviousLoc();
|
|
{
|
|
// Create a new scope to avoid type redefinition errors.
|
|
Scope genericsScope(&P, ScopeKind::Generics);
|
|
auto *genericParams = P.maybeParseGenericParams().getPtrOrNull();
|
|
if (genericParams) {
|
|
auto *witnessGenEnv = handleSILGenericParams(genericParams, &P.SF);
|
|
witnessGenSig = witnessGenEnv->getGenericSignature();
|
|
}
|
|
}
|
|
// Parse original function name and type.
|
|
SILFunction *originalFunction = nullptr;
|
|
if (SP.parseSILFunctionRef(L, originalFunction))
|
|
return {};
|
|
// Resolve parsed witness generic signature.
|
|
if (witnessGenSig) {
|
|
auto origGenSig =
|
|
originalFunction->getLoweredFunctionType()->getSubstGenericSignature();
|
|
// Check whether original function generic signature and parsed witness
|
|
// generic have the same generic parameters.
|
|
auto areGenericParametersConsistent = [&]() {
|
|
llvm::SmallDenseSet<GenericParamKey, 4> genericParamKeys;
|
|
for (auto *origGP : origGenSig->getGenericParams())
|
|
genericParamKeys.insert(GenericParamKey(origGP));
|
|
for (auto *witnessGP : witnessGenSig->getGenericParams())
|
|
if (!genericParamKeys.erase(GenericParamKey(witnessGP)))
|
|
return false;
|
|
return genericParamKeys.empty();
|
|
};
|
|
if (!areGenericParametersConsistent()) {
|
|
P.diagnose(witnessGenSigStartLoc,
|
|
diag::sil_diff_witness_invalid_generic_signature,
|
|
witnessGenSig->getAsString(), origGenSig->getAsString());
|
|
return {};
|
|
}
|
|
// Combine parsed witness requirements with original function generic
|
|
// signature requirements to form full witness generic signature.
|
|
SmallVector<Requirement, 4> witnessRequirements(
|
|
witnessGenSig->getRequirements().begin(),
|
|
witnessGenSig->getRequirements().end());
|
|
witnessGenSig = evaluateOrDefault(
|
|
P.Context.evaluator,
|
|
AbstractGenericSignatureRequest{origGenSig.getPointer(),
|
|
/*addedGenericParams=*/{},
|
|
std::move(witnessRequirements)},
|
|
nullptr);
|
|
}
|
|
auto origFnType = originalFunction->getLoweredFunctionType();
|
|
auto *parameterIndexSet = IndexSubset::get(
|
|
P.Context, origFnType->getNumParameters(), parameterIndices);
|
|
auto *resultIndexSet =
|
|
IndexSubset::get(P.Context, origFnType->getNumResults(), resultIndices);
|
|
AutoDiffConfig config(parameterIndexSet, resultIndexSet, witnessGenSig);
|
|
return std::make_pair(config, originalFunction);
|
|
}
|
|
|
|
bool SILParser::parseSILDeclRef(SILDeclRef &Member, bool FnTypeRequired) {
|
|
SourceLoc TyLoc;
|
|
SmallVector<ValueDecl *, 4> values;
|
|
if (parseSILDeclRef(Member, values))
|
|
return true;
|
|
|
|
// : ( or : < means that what follows is function type.
|
|
if (!P.Tok.is(tok::colon))
|
|
return false;
|
|
|
|
if (FnTypeRequired &&
|
|
!P.peekToken().is(tok::l_paren) &&
|
|
!P.startsWithLess(P.peekToken()))
|
|
return false;
|
|
|
|
// Type of the SILDeclRef is optional to be compatible with the old format.
|
|
if (!P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":")) {
|
|
// Parse the type for SILDeclRef.
|
|
Optional<Scope> GenericsScope;
|
|
GenericsScope.emplace(&P, ScopeKind::Generics);
|
|
ParserResult<TypeRepr> TyR = P.parseType();
|
|
GenericsScope.reset();
|
|
if (TyR.isNull())
|
|
return true;
|
|
TypeLoc Ty = TyR.get();
|
|
|
|
// The type can be polymorphic.
|
|
GenericEnvironment *genericEnv = nullptr;
|
|
if (auto fnType = dyn_cast<FunctionTypeRepr>(TyR.get())) {
|
|
if (auto generics = fnType->getGenericParams()) {
|
|
assert(!Ty.wasValidated() && Ty.getType().isNull());
|
|
|
|
genericEnv = handleSILGenericParams(generics, &P.SF);
|
|
fnType->setGenericEnvironment(genericEnv);
|
|
}
|
|
if (auto generics = fnType->getPatternGenericParams()) {
|
|
assert(!Ty.wasValidated() && Ty.getType().isNull());
|
|
|
|
genericEnv = handleSILGenericParams(generics, &P.SF);
|
|
fnType->setPatternGenericEnvironment(genericEnv);
|
|
}
|
|
}
|
|
|
|
if (performTypeLocChecking(Ty, /*IsSILType=*/ false, genericEnv))
|
|
return true;
|
|
|
|
// Pick the ValueDecl that has the right type.
|
|
ValueDecl *TheDecl = nullptr;
|
|
auto declTy = Ty.getType()->getCanonicalType();
|
|
for (unsigned I = 0, E = values.size(); I < E; I++) {
|
|
auto *decl = values[I];
|
|
|
|
auto lookupTy =
|
|
decl->getInterfaceType()
|
|
->removeArgumentLabels(decl->getNumCurryLevels());
|
|
if (declTy == lookupTy->getCanonicalType()) {
|
|
TheDecl = decl;
|
|
// Update SILDeclRef to point to the right Decl.
|
|
Member.loc = decl;
|
|
break;
|
|
}
|
|
if (values.size() == 1 && !TheDecl) {
|
|
P.diagnose(TyLoc, diag::sil_member_decl_type_mismatch, declTy,
|
|
lookupTy);
|
|
return true;
|
|
}
|
|
}
|
|
if (!TheDecl) {
|
|
P.diagnose(TyLoc, diag::sil_member_decl_not_found);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
SILParser::parseKeyPathPatternComponent(KeyPathPatternComponent &component,
|
|
SmallVectorImpl<SILType> &operandTypes,
|
|
SourceLoc componentLoc,
|
|
Identifier componentKind,
|
|
SILLocation InstLoc,
|
|
GenericEnvironment *patternEnv) {
|
|
auto parseComponentIndices =
|
|
[&](SmallVectorImpl<KeyPathPatternComponent::Index> &indexes) -> bool {
|
|
while (true) {
|
|
unsigned index;
|
|
CanType formalTy;
|
|
SILType loweredTy;
|
|
if (P.parseToken(tok::oper_prefix,
|
|
diag::expected_tok_in_sil_instr, "%")
|
|
|| P.parseToken(tok::sil_dollar,
|
|
diag::expected_tok_in_sil_instr, "$"))
|
|
return true;
|
|
|
|
if (!P.Tok.is(tok::integer_literal)
|
|
|| parseIntegerLiteral(P.Tok.getText(), 0, index))
|
|
return true;
|
|
|
|
P.consumeToken(tok::integer_literal);
|
|
|
|
SourceLoc formalTyLoc;
|
|
SourceLoc loweredTyLoc;
|
|
GenericEnvironment *ignoredParsedEnv;
|
|
if (P.parseToken(tok::colon,
|
|
diag::expected_tok_in_sil_instr, ":")
|
|
|| P.parseToken(tok::sil_dollar,
|
|
diag::expected_tok_in_sil_instr, "$")
|
|
|| parseASTType(formalTy, formalTyLoc, patternEnv)
|
|
|| P.parseToken(tok::colon,
|
|
diag::expected_tok_in_sil_instr, ":")
|
|
|| parseSILType(loweredTy, loweredTyLoc,
|
|
ignoredParsedEnv, patternEnv))
|
|
return true;
|
|
|
|
if (patternEnv)
|
|
loweredTy = SILType::getPrimitiveType(
|
|
loweredTy.getASTType()->mapTypeOutOfContext()
|
|
->getCanonicalType(),
|
|
loweredTy.getCategory());
|
|
|
|
// Formal type must be hashable.
|
|
auto proto = P.Context.getProtocol(KnownProtocolKind::Hashable);
|
|
Type contextFormalTy = formalTy;
|
|
if (patternEnv)
|
|
contextFormalTy = patternEnv->mapTypeIntoContext(formalTy);
|
|
auto lookup = P.SF.getParentModule()->lookupConformance(
|
|
contextFormalTy, proto);
|
|
if (lookup.isInvalid()) {
|
|
P.diagnose(formalTyLoc,
|
|
diag::sil_keypath_index_not_hashable,
|
|
formalTy);
|
|
return true;
|
|
}
|
|
auto conformance = ProtocolConformanceRef(lookup);
|
|
|
|
indexes.push_back({index, formalTy, loweredTy, conformance});
|
|
|
|
if (operandTypes.size() <= index)
|
|
operandTypes.resize(index+1);
|
|
if (operandTypes[index] && operandTypes[index] != loweredTy) {
|
|
P.diagnose(loweredTyLoc,
|
|
diag::sil_keypath_index_operand_type_conflict,
|
|
index,
|
|
operandTypes[index].getASTType(),
|
|
loweredTy.getASTType());
|
|
return true;
|
|
}
|
|
operandTypes[index] = loweredTy;
|
|
|
|
if (P.consumeIf(tok::comma))
|
|
continue;
|
|
if (P.consumeIf(tok::r_square))
|
|
break;
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
if (componentKind.str() == "stored_property") {
|
|
ValueDecl *prop;
|
|
CanType ty;
|
|
if (parseSILDottedPath(prop)
|
|
|| P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":")
|
|
|| P.parseToken(tok::sil_dollar,
|
|
diag::expected_tok_in_sil_instr, "$")
|
|
|| parseASTType(ty, patternEnv))
|
|
return true;
|
|
component =
|
|
KeyPathPatternComponent::forStoredProperty(cast<VarDecl>(prop), ty);
|
|
return false;
|
|
} else if (componentKind.str() == "gettable_property"
|
|
|| componentKind.str() == "settable_property") {
|
|
bool isSettable = componentKind.str()[0] == 's';
|
|
|
|
CanType componentTy;
|
|
if (P.parseToken(tok::sil_dollar,diag::expected_tok_in_sil_instr,"$")
|
|
|| parseASTType(componentTy, patternEnv)
|
|
|| P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
|
|
SILFunction *idFn = nullptr;
|
|
SILDeclRef idDecl;
|
|
VarDecl *idProperty = nullptr;
|
|
SILFunction *getter = nullptr;
|
|
SILFunction *setter = nullptr;
|
|
SILFunction *equals = nullptr;
|
|
SILFunction *hash = nullptr;
|
|
AbstractStorageDecl *externalDecl = nullptr;
|
|
SubstitutionMap externalSubs;
|
|
SmallVector<KeyPathPatternComponent::Index, 4> indexes;
|
|
while (true) {
|
|
Identifier subKind;
|
|
SourceLoc subKindLoc;
|
|
if (parseSILIdentifier(subKind, subKindLoc,
|
|
diag::sil_keypath_expected_component_kind))
|
|
return true;
|
|
|
|
if (subKind.str() == "id") {
|
|
// The identifier can be either a function ref, a SILDeclRef
|
|
// to a class or protocol method, or a decl ref to a property:
|
|
// @static_fn_ref : $...
|
|
// #Type.method!whatever : (T) -> ...
|
|
// ##Type.property
|
|
if (P.Tok.is(tok::at_sign)) {
|
|
if (parseSILFunctionRef(InstLoc, idFn))
|
|
return true;
|
|
} else if (P.Tok.is(tok::pound)) {
|
|
if (P.peekToken().is(tok::pound)) {
|
|
ValueDecl *propertyValueDecl;
|
|
P.consumeToken(tok::pound);
|
|
if (parseSILDottedPath(propertyValueDecl))
|
|
return true;
|
|
idProperty = cast<VarDecl>(propertyValueDecl);
|
|
} else if (parseSILDeclRef(idDecl, /*fnType*/ true))
|
|
return true;
|
|
} else {
|
|
P.diagnose(subKindLoc, diag::expected_tok_in_sil_instr, "# or @");
|
|
return true;
|
|
}
|
|
} else if (subKind.str() == "getter" || subKind.str() == "setter") {
|
|
bool isSetter = subKind.str()[0] == 's';
|
|
if (parseSILFunctionRef(InstLoc, isSetter ? setter : getter))
|
|
return true;
|
|
} else if (subKind.str() == "indices") {
|
|
if (P.parseToken(tok::l_square,
|
|
diag::expected_tok_in_sil_instr, "[")
|
|
|| parseComponentIndices(indexes))
|
|
return true;
|
|
} else if (subKind.str() == "indices_equals") {
|
|
if (parseSILFunctionRef(InstLoc, equals))
|
|
return true;
|
|
} else if (subKind.str() == "indices_hash") {
|
|
if (parseSILFunctionRef(InstLoc, hash))
|
|
return true;
|
|
} else if (subKind.str() == "external") {
|
|
ValueDecl *parsedExternalDecl;
|
|
SmallVector<ParsedSubstitution, 4> parsedSubs;
|
|
|
|
if (parseSILDottedPath(parsedExternalDecl)
|
|
|| parseSubstitutions(parsedSubs, patternEnv))
|
|
return true;
|
|
|
|
externalDecl = cast<AbstractStorageDecl>(parsedExternalDecl);
|
|
|
|
if (!parsedSubs.empty()) {
|
|
auto genericEnv = externalDecl->getInnermostDeclContext()
|
|
->getGenericEnvironmentOfContext();
|
|
if (!genericEnv) {
|
|
P.diagnose(P.Tok,
|
|
diag::sil_substitutions_on_non_polymorphic_type);
|
|
return true;
|
|
}
|
|
externalSubs = getApplySubstitutionsFromParsed(*this, genericEnv,
|
|
parsedSubs);
|
|
if (!externalSubs) return true;
|
|
|
|
// Map the substitutions out of the pattern context so that they
|
|
// use interface types.
|
|
externalSubs =
|
|
externalSubs.mapReplacementTypesOutOfContext().getCanonical();
|
|
}
|
|
|
|
} else {
|
|
P.diagnose(subKindLoc, diag::sil_keypath_unknown_component_kind,
|
|
subKind);
|
|
return true;
|
|
}
|
|
|
|
if (!P.consumeIf(tok::comma))
|
|
break;
|
|
}
|
|
|
|
if ((idFn == nullptr && idDecl.isNull() && idProperty == nullptr)
|
|
|| getter == nullptr
|
|
|| (isSettable && setter == nullptr)) {
|
|
P.diagnose(componentLoc,
|
|
diag::sil_keypath_computed_property_missing_part,
|
|
isSettable);
|
|
return true;
|
|
}
|
|
|
|
if ((idFn != nullptr) + (!idDecl.isNull()) + (idProperty != nullptr)
|
|
!= 1) {
|
|
P.diagnose(componentLoc,
|
|
diag::sil_keypath_computed_property_missing_part,
|
|
isSettable);
|
|
return true;
|
|
}
|
|
|
|
KeyPathPatternComponent::ComputedPropertyId id;
|
|
if (idFn)
|
|
id = idFn;
|
|
else if (!idDecl.isNull())
|
|
id = idDecl;
|
|
else if (idProperty)
|
|
id = idProperty;
|
|
else
|
|
llvm_unreachable("no id?!");
|
|
|
|
auto indexesCopy = P.Context.AllocateCopy(indexes);
|
|
|
|
if (!indexes.empty() && (!equals || !hash)) {
|
|
P.diagnose(componentLoc,
|
|
diag::sil_keypath_computed_property_missing_part,
|
|
isSettable);
|
|
}
|
|
|
|
if (isSettable) {
|
|
component = KeyPathPatternComponent::forComputedSettableProperty(
|
|
id, getter, setter,
|
|
indexesCopy, equals, hash,
|
|
externalDecl, externalSubs, componentTy);
|
|
} else {
|
|
component = KeyPathPatternComponent::forComputedGettableProperty(
|
|
id, getter,
|
|
indexesCopy, equals, hash,
|
|
externalDecl, externalSubs, componentTy);
|
|
}
|
|
return false;
|
|
} else if (componentKind.str() == "optional_wrap"
|
|
|| componentKind.str() == "optional_chain"
|
|
|| componentKind.str() == "optional_force") {
|
|
CanType ty;
|
|
if (P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":")
|
|
|| P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr, "$")
|
|
|| parseASTType(ty, patternEnv))
|
|
return true;
|
|
KeyPathPatternComponent::Kind kind;
|
|
|
|
if (componentKind.str() == "optional_wrap") {
|
|
kind = KeyPathPatternComponent::Kind::OptionalWrap;
|
|
} else if (componentKind.str() == "optional_chain") {
|
|
kind = KeyPathPatternComponent::Kind::OptionalChain;
|
|
} else if (componentKind.str() == "optional_force") {
|
|
kind = KeyPathPatternComponent::Kind::OptionalForce;
|
|
} else {
|
|
llvm_unreachable("unpossible");
|
|
}
|
|
|
|
component = KeyPathPatternComponent::forOptional(kind, ty);
|
|
return false;
|
|
} else if (componentKind.str() == "tuple_element") {
|
|
unsigned tupleIndex;
|
|
CanType ty;
|
|
|
|
if (P.parseToken(tok::pound, diag::expected_sil_constant)
|
|
|| parseInteger(tupleIndex, diag::expected_sil_tuple_index)
|
|
|| P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":")
|
|
|| P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr, "$")
|
|
|| parseASTType(ty, patternEnv))
|
|
return true;
|
|
|
|
component = KeyPathPatternComponent::forTupleElement(tupleIndex, ty);
|
|
return false;
|
|
} else {
|
|
P.diagnose(componentLoc, diag::sil_keypath_unknown_component_kind,
|
|
componentKind);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
bool SILParser::parseSpecificSILInstruction(SILBuilder &B,
|
|
SILInstructionKind Opcode,
|
|
SourceLoc OpcodeLoc,
|
|
StringRef OpcodeName,
|
|
SILInstruction *&ResultVal) {
|
|
SmallVector<SILValue, 4> OpList;
|
|
SILValue Val;
|
|
SILType Ty;
|
|
SILLocation InstLoc = RegularLocation(OpcodeLoc);
|
|
|
|
auto parseFormalTypeAndValue = [&](CanType &formalType,
|
|
SILValue &value) -> bool {
|
|
return (parseASTType(formalType) || parseVerbatim("in")
|
|
|| parseTypedValueRef(value, B));
|
|
};
|
|
|
|
OpenedExistentialAccess AccessKind;
|
|
auto parseOpenExistAddrKind = [&]() -> bool {
|
|
Identifier accessKindToken;
|
|
SourceLoc accessKindLoc;
|
|
if (parseSILIdentifier(accessKindToken, accessKindLoc,
|
|
diag::expected_tok_in_sil_instr,
|
|
"opened existential access kind")) {
|
|
return true;
|
|
}
|
|
auto kind =
|
|
llvm::StringSwitch<Optional<OpenedExistentialAccess>>(
|
|
accessKindToken.str())
|
|
.Case("mutable_access", OpenedExistentialAccess::Mutable)
|
|
.Case("immutable_access", OpenedExistentialAccess::Immutable)
|
|
.Default(None);
|
|
|
|
if (kind) {
|
|
AccessKind = kind.getValue();
|
|
return false;
|
|
}
|
|
P.diagnose(accessKindLoc, diag::expected_tok_in_sil_instr,
|
|
"opened existential access kind");
|
|
return true;
|
|
};
|
|
|
|
CanType SourceType, TargetType;
|
|
SILValue SourceAddr, DestAddr;
|
|
auto parseSourceAndDestAddress = [&] {
|
|
return parseFormalTypeAndValue(SourceType, SourceAddr) ||
|
|
parseVerbatim("to") || parseFormalTypeAndValue(TargetType, DestAddr);
|
|
};
|
|
|
|
Identifier SuccessBBName, FailureBBName;
|
|
SourceLoc SuccessBBLoc, FailureBBLoc;
|
|
auto parseConditionalBranchDestinations = [&] {
|
|
return P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILIdentifier(SuccessBBName, SuccessBBLoc,
|
|
diag::expected_sil_block_name) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILIdentifier(FailureBBName, FailureBBLoc,
|
|
diag::expected_sil_block_name) ||
|
|
parseSILDebugLocation(InstLoc, B);
|
|
};
|
|
|
|
// Validate the opcode name, and do opcode-specific parsing logic based on the
|
|
// opcode we find.
|
|
|
|
switch (Opcode) {
|
|
case SILInstructionKind::AllocBoxInst: {
|
|
bool hasDynamicLifetime = false;
|
|
if (parseSILOptional(hasDynamicLifetime, *this, "dynamic_lifetime"))
|
|
return true;
|
|
|
|
SILType Ty;
|
|
if (parseSILType(Ty))
|
|
return true;
|
|
SILDebugVariable VarInfo;
|
|
if (parseSILDebugVar(VarInfo))
|
|
return true;
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createAllocBox(InstLoc, Ty.castTo<SILBoxType>(), VarInfo,
|
|
hasDynamicLifetime);
|
|
break;
|
|
}
|
|
case SILInstructionKind::ApplyInst:
|
|
case SILInstructionKind::BeginApplyInst:
|
|
case SILInstructionKind::PartialApplyInst:
|
|
case SILInstructionKind::TryApplyInst:
|
|
if (parseCallInstruction(InstLoc, Opcode, B, ResultVal))
|
|
return true;
|
|
break;
|
|
case SILInstructionKind::AbortApplyInst:
|
|
case SILInstructionKind::EndApplyInst: {
|
|
UnresolvedValueName argName;
|
|
if (parseValueName(argName))
|
|
return true;
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
SILType expectedTy = SILType::getSILTokenType(P.Context);
|
|
SILValue op = getLocalValue(argName, expectedTy, InstLoc, B);
|
|
|
|
if (Opcode == SILInstructionKind::AbortApplyInst) {
|
|
ResultVal = B.createAbortApply(InstLoc, op);
|
|
} else {
|
|
ResultVal = B.createEndApply(InstLoc, op);
|
|
}
|
|
break;
|
|
}
|
|
case SILInstructionKind::IntegerLiteralInst: {
|
|
SILType Ty;
|
|
if (parseSILType(Ty) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
|
|
bool Negative = false;
|
|
if (P.Tok.isAnyOperator() && P.Tok.getText() == "-") {
|
|
Negative = true;
|
|
P.consumeToken();
|
|
}
|
|
if (P.Tok.getKind() != tok::integer_literal) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "integer");
|
|
return true;
|
|
}
|
|
|
|
auto intTy = Ty.getAs<AnyBuiltinIntegerType>();
|
|
if (!intTy) {
|
|
P.diagnose(P.Tok, diag::sil_integer_literal_not_integer_type);
|
|
return true;
|
|
}
|
|
|
|
StringRef text = prepareIntegerLiteralForParsing(P.Tok.getText());
|
|
|
|
bool error;
|
|
APInt value = intTy->getWidth().parse(text, 0, Negative, &error);
|
|
if (error) {
|
|
P.diagnose(P.Tok, diag::sil_integer_literal_not_well_formed, intTy);
|
|
return true;
|
|
}
|
|
|
|
P.consumeToken(tok::integer_literal);
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createIntegerLiteral(InstLoc, Ty, value);
|
|
break;
|
|
}
|
|
case SILInstructionKind::FloatLiteralInst: {
|
|
SILType Ty;
|
|
if (parseSILType(Ty) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
|
|
// The value is expressed as bits.
|
|
if (P.Tok.getKind() != tok::integer_literal) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "integer");
|
|
return true;
|
|
}
|
|
|
|
auto floatTy = Ty.getAs<BuiltinFloatType>();
|
|
if (!floatTy) {
|
|
P.diagnose(P.Tok, diag::sil_float_literal_not_float_type);
|
|
return true;
|
|
}
|
|
|
|
StringRef text = prepareIntegerLiteralForParsing(P.Tok.getText());
|
|
|
|
APInt bits(floatTy->getBitWidth(), 0);
|
|
bool error = text.getAsInteger(0, bits);
|
|
assert(!error && "float_literal token did not parse as APInt?!");
|
|
(void)error;
|
|
|
|
if (bits.getBitWidth() != floatTy->getBitWidth())
|
|
bits = bits.zextOrTrunc(floatTy->getBitWidth());
|
|
|
|
APFloat value(floatTy->getAPFloatSemantics(), bits);
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createFloatLiteral(InstLoc, Ty, value);
|
|
P.consumeToken(tok::integer_literal);
|
|
break;
|
|
}
|
|
case SILInstructionKind::StringLiteralInst: {
|
|
if (P.Tok.getKind() != tok::identifier) {
|
|
P.diagnose(P.Tok, diag::sil_string_no_encoding);
|
|
return true;
|
|
}
|
|
|
|
StringLiteralInst::Encoding encoding;
|
|
if (P.Tok.getText() == "utf8") {
|
|
encoding = StringLiteralInst::Encoding::UTF8;
|
|
} else if (P.Tok.getText() == "utf16") {
|
|
encoding = StringLiteralInst::Encoding::UTF16;
|
|
} else if (P.Tok.getText() == "objc_selector") {
|
|
encoding = StringLiteralInst::Encoding::ObjCSelector;
|
|
} else if (P.Tok.getText() == "bytes") {
|
|
encoding = StringLiteralInst::Encoding::Bytes;
|
|
} else {
|
|
P.diagnose(P.Tok, diag::sil_string_invalid_encoding, P.Tok.getText());
|
|
return true;
|
|
}
|
|
P.consumeToken(tok::identifier);
|
|
|
|
if (P.Tok.getKind() != tok::string_literal) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "string");
|
|
return true;
|
|
}
|
|
|
|
// Parse the string.
|
|
SmallVector<Lexer::StringSegment, 1> segments;
|
|
P.L->getStringLiteralSegments(P.Tok, segments);
|
|
assert(segments.size() == 1);
|
|
|
|
P.consumeToken(tok::string_literal);
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
SmallVector<char, 128> stringBuffer;
|
|
|
|
if (encoding == StringLiteralInst::Encoding::Bytes) {
|
|
// Decode hex bytes.
|
|
CharSourceRange rawStringRange(segments.front().Loc,
|
|
segments.front().Length);
|
|
StringRef rawString = P.SourceMgr.extractText(rawStringRange);
|
|
if (rawString.size() & 1) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr,
|
|
"even number of hex bytes");
|
|
return true;
|
|
}
|
|
while (!rawString.empty()) {
|
|
unsigned byte1 = llvm::hexDigitValue(rawString[0]);
|
|
unsigned byte2 = llvm::hexDigitValue(rawString[1]);
|
|
if (byte1 == -1U || byte2 == -1U) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr,
|
|
"hex bytes should contain 0-9, a-f, A-F only");
|
|
return true;
|
|
}
|
|
stringBuffer.push_back((unsigned char)(byte1 << 4) | byte2);
|
|
rawString = rawString.drop_front(2);
|
|
}
|
|
|
|
ResultVal = B.createStringLiteral(InstLoc, stringBuffer, encoding);
|
|
break;
|
|
}
|
|
|
|
StringRef string =
|
|
P.L->getEncodedStringSegment(segments.front(), stringBuffer);
|
|
ResultVal = B.createStringLiteral(InstLoc, string, encoding);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::CondFailInst: {
|
|
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
|
|
SmallVector<char, 128> stringBuffer;
|
|
StringRef message;
|
|
if (P.consumeIf(tok::comma)) {
|
|
// Parse the string.
|
|
if (P.Tok.getKind() != tok::string_literal) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "string");
|
|
return true;
|
|
}
|
|
SmallVector<Lexer::StringSegment, 1> segments;
|
|
P.L->getStringLiteralSegments(P.Tok, segments);
|
|
assert(segments.size() == 1);
|
|
|
|
P.consumeToken(tok::string_literal);
|
|
message = P.L->getEncodedStringSegment(segments.front(), stringBuffer);
|
|
}
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createCondFail(InstLoc, Val, message);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::AllocValueBufferInst: {
|
|
SILType Ty;
|
|
if (parseSILType(Ty) || parseVerbatim("in") || parseTypedValueRef(Val, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createAllocValueBuffer(InstLoc, Ty, Val);
|
|
break;
|
|
}
|
|
case SILInstructionKind::ProjectValueBufferInst: {
|
|
SILType Ty;
|
|
if (parseSILType(Ty) || parseVerbatim("in") || parseTypedValueRef(Val, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createProjectValueBuffer(InstLoc, Ty, Val);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DeallocValueBufferInst: {
|
|
SILType Ty;
|
|
if (parseSILType(Ty) || parseVerbatim("in") || parseTypedValueRef(Val, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createDeallocValueBuffer(InstLoc, Ty, Val);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::ProjectBoxInst: {
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
|
|
if (!P.Tok.is(tok::integer_literal)) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "integer");
|
|
return true;
|
|
}
|
|
|
|
unsigned Index;
|
|
bool error = parseIntegerLiteral(P.Tok.getText(), 0, Index);
|
|
assert(!error && "project_box index did not parse as integer?!");
|
|
(void)error;
|
|
|
|
P.consumeToken(tok::integer_literal);
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createProjectBox(InstLoc, Val, Index);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::ProjectExistentialBoxInst: {
|
|
SILType Ty;
|
|
if (parseSILType(Ty) || parseVerbatim("in") || parseTypedValueRef(Val, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createProjectExistentialBox(InstLoc, Ty, Val);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::FunctionRefInst: {
|
|
SILFunction *Fn;
|
|
if (parseSILFunctionRef(InstLoc, Fn) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createFunctionRef(InstLoc, Fn);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DynamicFunctionRefInst: {
|
|
SILFunction *Fn;
|
|
if (parseSILFunctionRef(InstLoc, Fn) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
// Set a forward reference's dynamic property for the first time.
|
|
if (!Fn->isDynamicallyReplaceable()) {
|
|
if (!Fn->empty()) {
|
|
P.diagnose(P.Tok, diag::expected_dynamic_func_attr);
|
|
return true;
|
|
}
|
|
Fn->setIsDynamic();
|
|
}
|
|
ResultVal = B.createDynamicFunctionRef(InstLoc, Fn);
|
|
break;
|
|
}
|
|
case SILInstructionKind::PreviousDynamicFunctionRefInst: {
|
|
SILFunction *Fn;
|
|
if (parseSILFunctionRef(InstLoc, Fn) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createPreviousDynamicFunctionRef(InstLoc, Fn);
|
|
break;
|
|
}
|
|
case SILInstructionKind::BuiltinInst: {
|
|
if (P.Tok.getKind() != tok::string_literal) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "builtin name");
|
|
return true;
|
|
}
|
|
StringRef Str = P.Tok.getText();
|
|
Identifier Id = P.Context.getIdentifier(Str.substr(1, Str.size() - 2));
|
|
P.consumeToken(tok::string_literal);
|
|
|
|
// Find the builtin in the Builtin module
|
|
SmallVector<ValueDecl *, 2> foundBuiltins;
|
|
P.Context.TheBuiltinModule->lookupMember(
|
|
foundBuiltins, P.Context.TheBuiltinModule, Id, Identifier());
|
|
if (foundBuiltins.empty()) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "builtin name");
|
|
return true;
|
|
}
|
|
assert(foundBuiltins.size() == 1 && "ambiguous builtin name?!");
|
|
|
|
auto *builtinFunc = cast<FuncDecl>(foundBuiltins[0]);
|
|
GenericEnvironment *genericEnv = builtinFunc->getGenericEnvironment();
|
|
|
|
SmallVector<ParsedSubstitution, 4> parsedSubs;
|
|
SubstitutionMap subMap;
|
|
if (parseSubstitutions(parsedSubs))
|
|
return true;
|
|
|
|
if (!parsedSubs.empty()) {
|
|
if (!genericEnv) {
|
|
P.diagnose(P.Tok, diag::sil_substitutions_on_non_polymorphic_type);
|
|
return true;
|
|
}
|
|
subMap = getApplySubstitutionsFromParsed(*this, genericEnv, parsedSubs);
|
|
if (!subMap)
|
|
return true;
|
|
}
|
|
|
|
if (P.Tok.getKind() != tok::l_paren) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "(");
|
|
return true;
|
|
}
|
|
P.consumeToken(tok::l_paren);
|
|
|
|
SmallVector<SILValue, 4> Args;
|
|
while (true) {
|
|
if (P.consumeIf(tok::r_paren))
|
|
break;
|
|
|
|
SILValue Val;
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
Args.push_back(Val);
|
|
if (P.consumeIf(tok::comma))
|
|
continue;
|
|
if (P.consumeIf(tok::r_paren))
|
|
break;
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, ")' or ',");
|
|
return true;
|
|
}
|
|
|
|
if (P.Tok.getKind() != tok::colon) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, ":");
|
|
return true;
|
|
}
|
|
P.consumeToken(tok::colon);
|
|
|
|
SILType ResultTy;
|
|
if (parseSILType(ResultTy))
|
|
return true;
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createBuiltin(InstLoc, Id, ResultTy, subMap, Args);
|
|
break;
|
|
}
|
|
case SILInstructionKind::OpenExistentialAddrInst:
|
|
if (parseOpenExistAddrKind() || parseTypedValueRef(Val, B) ||
|
|
parseVerbatim("to") || parseSILType(Ty) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createOpenExistentialAddr(InstLoc, Val, Ty, AccessKind);
|
|
break;
|
|
|
|
case SILInstructionKind::OpenExistentialBoxInst:
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("to") || parseSILType(Ty) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createOpenExistentialBox(InstLoc, Val, Ty);
|
|
break;
|
|
|
|
case SILInstructionKind::OpenExistentialBoxValueInst:
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("to") || parseSILType(Ty) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createOpenExistentialBoxValue(InstLoc, Val, Ty);
|
|
break;
|
|
|
|
case SILInstructionKind::OpenExistentialMetatypeInst:
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("to") || parseSILType(Ty) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createOpenExistentialMetatype(InstLoc, Val, Ty);
|
|
break;
|
|
|
|
case SILInstructionKind::OpenExistentialRefInst:
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("to") || parseSILType(Ty) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createOpenExistentialRef(InstLoc, Val, Ty);
|
|
break;
|
|
|
|
case SILInstructionKind::OpenExistentialValueInst:
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("to") || parseSILType(Ty) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createOpenExistentialValue(InstLoc, Val, Ty);
|
|
break;
|
|
|
|
#define UNARY_INSTRUCTION(ID) \
|
|
case SILInstructionKind::ID##Inst: \
|
|
if (parseTypedValueRef(Val, B)) \
|
|
return true; \
|
|
if (parseSILDebugLocation(InstLoc, B)) \
|
|
return true; \
|
|
ResultVal = B.create##ID(InstLoc, Val); \
|
|
break;
|
|
|
|
#define REFCOUNTING_INSTRUCTION(ID) \
|
|
case SILInstructionKind::ID##Inst: { \
|
|
Atomicity atomicity = Atomicity::Atomic; \
|
|
StringRef Optional; \
|
|
if (parseSILOptional(Optional, *this)) { \
|
|
if (Optional == "nonatomic") { \
|
|
atomicity = Atomicity::NonAtomic; \
|
|
} else { \
|
|
return true; \
|
|
} \
|
|
} \
|
|
if (parseTypedValueRef(Val, B)) \
|
|
return true; \
|
|
if (parseSILDebugLocation(InstLoc, B)) \
|
|
return true; \
|
|
ResultVal = B.create##ID(InstLoc, Val, atomicity); \
|
|
} break;
|
|
|
|
UNARY_INSTRUCTION(ClassifyBridgeObject)
|
|
UNARY_INSTRUCTION(ValueToBridgeObject)
|
|
UNARY_INSTRUCTION(FixLifetime)
|
|
UNARY_INSTRUCTION(EndLifetime)
|
|
UNARY_INSTRUCTION(CopyBlock)
|
|
UNARY_INSTRUCTION(IsUnique)
|
|
UNARY_INSTRUCTION(DestroyAddr)
|
|
UNARY_INSTRUCTION(CopyValue)
|
|
UNARY_INSTRUCTION(DestroyValue)
|
|
UNARY_INSTRUCTION(EndBorrow)
|
|
UNARY_INSTRUCTION(DestructureStruct)
|
|
UNARY_INSTRUCTION(DestructureTuple)
|
|
REFCOUNTING_INSTRUCTION(UnmanagedReleaseValue)
|
|
REFCOUNTING_INSTRUCTION(UnmanagedRetainValue)
|
|
REFCOUNTING_INSTRUCTION(UnmanagedAutoreleaseValue)
|
|
REFCOUNTING_INSTRUCTION(StrongRetain)
|
|
REFCOUNTING_INSTRUCTION(StrongRelease)
|
|
REFCOUNTING_INSTRUCTION(AutoreleaseValue)
|
|
REFCOUNTING_INSTRUCTION(SetDeallocating)
|
|
REFCOUNTING_INSTRUCTION(ReleaseValue)
|
|
REFCOUNTING_INSTRUCTION(RetainValue)
|
|
REFCOUNTING_INSTRUCTION(ReleaseValueAddr)
|
|
REFCOUNTING_INSTRUCTION(RetainValueAddr)
|
|
#define UNCHECKED_REF_STORAGE(Name, ...) \
|
|
UNARY_INSTRUCTION(StrongCopy##Name##Value)
|
|
#define ALWAYS_OR_SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
|
|
REFCOUNTING_INSTRUCTION(StrongRetain##Name) \
|
|
REFCOUNTING_INSTRUCTION(Name##Retain) \
|
|
REFCOUNTING_INSTRUCTION(Name##Release) \
|
|
UNARY_INSTRUCTION(StrongCopy##Name##Value)
|
|
#include "swift/AST/ReferenceStorage.def"
|
|
#undef UNARY_INSTRUCTION
|
|
#undef REFCOUNTING_INSTRUCTION
|
|
|
|
case SILInstructionKind::IsEscapingClosureInst: {
|
|
bool IsObjcVerifcationType = false;
|
|
if (parseSILOptional(IsObjcVerifcationType, *this, "objc"))
|
|
return true;
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createIsEscapingClosure(
|
|
InstLoc, Val,
|
|
IsObjcVerifcationType ? IsEscapingClosureInst::ObjCEscaping
|
|
: IsEscapingClosureInst::WithoutActuallyEscaping);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::DebugValueInst:
|
|
case SILInstructionKind::DebugValueAddrInst: {
|
|
SILDebugVariable VarInfo;
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugVar(VarInfo) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
if (Opcode == SILInstructionKind::DebugValueInst)
|
|
ResultVal = B.createDebugValue(InstLoc, Val, VarInfo);
|
|
else
|
|
ResultVal = B.createDebugValueAddr(InstLoc, Val, VarInfo);
|
|
break;
|
|
}
|
|
|
|
// unchecked_ownership_conversion <reg> : <type>, <ownership> to <ownership>
|
|
case SILInstructionKind::UncheckedOwnershipConversionInst: {
|
|
ValueOwnershipKind LHSKind = ValueOwnershipKind::None;
|
|
ValueOwnershipKind RHSKind = ValueOwnershipKind::None;
|
|
SourceLoc Loc;
|
|
|
|
if (parseTypedValueRef(Val, Loc, B) ||
|
|
P.parseToken(tok::comma, diag::expected_sil_colon,
|
|
"unchecked_ownership_conversion value ownership kind "
|
|
"conversion specification") ||
|
|
parseSILOwnership(LHSKind) || parseVerbatim("to") ||
|
|
parseSILOwnership(RHSKind) || parseSILDebugLocation(InstLoc, B)) {
|
|
return true;
|
|
}
|
|
|
|
if (Val.getOwnershipKind() != LHSKind) {
|
|
return true;
|
|
}
|
|
|
|
ResultVal = B.createUncheckedOwnershipConversion(InstLoc, Val, RHSKind);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::LoadInst: {
|
|
LoadOwnershipQualifier Qualifier;
|
|
SourceLoc AddrLoc;
|
|
|
|
if (parseLoadOwnershipQualifier(Qualifier, *this) ||
|
|
parseTypedValueRef(Val, AddrLoc, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createLoad(InstLoc, Val, Qualifier);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::LoadBorrowInst: {
|
|
SourceLoc AddrLoc;
|
|
|
|
if (parseTypedValueRef(Val, AddrLoc, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createLoadBorrow(InstLoc, Val);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::BeginBorrowInst: {
|
|
SourceLoc AddrLoc;
|
|
|
|
if (parseTypedValueRef(Val, AddrLoc, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createBeginBorrow(InstLoc, Val);
|
|
break;
|
|
}
|
|
|
|
#define NEVER_OR_SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
|
|
case SILInstructionKind::Load##Name##Inst: { \
|
|
bool isTake = false; \
|
|
SourceLoc addrLoc; \
|
|
if (parseSILOptional(isTake, *this, "take") || \
|
|
parseTypedValueRef(Val, addrLoc, B) || \
|
|
parseSILDebugLocation(InstLoc, B)) \
|
|
return true; \
|
|
if (!Val->getType().is<Name##StorageType>()) { \
|
|
P.diagnose(addrLoc, diag::sil_operand_not_ref_storage_address, "source", \
|
|
OpcodeName, ReferenceOwnership::Name); \
|
|
} \
|
|
ResultVal = B.createLoad##Name(InstLoc, Val, IsTake_t(isTake)); \
|
|
break; \
|
|
}
|
|
#include "swift/AST/ReferenceStorage.def"
|
|
|
|
case SILInstructionKind::CopyBlockWithoutEscapingInst: {
|
|
SILValue Closure;
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("withoutEscaping") ||
|
|
parseTypedValueRef(Closure, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createCopyBlockWithoutEscaping(InstLoc, Val, Closure);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::MarkDependenceInst: {
|
|
SILValue Base;
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("on") ||
|
|
parseTypedValueRef(Base, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createMarkDependence(InstLoc, Val, Base);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::KeyPathInst: {
|
|
SmallVector<KeyPathPatternComponent, 4> components;
|
|
SILType Ty;
|
|
if (parseSILType(Ty) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
|
|
GenericParamList *generics = nullptr;
|
|
GenericEnvironment *patternEnv = nullptr;
|
|
CanType rootType;
|
|
StringRef objcString;
|
|
SmallVector<SILType, 4> operandTypes;
|
|
{
|
|
Scope genericsScope(&P, ScopeKind::Generics);
|
|
generics = P.maybeParseGenericParams().getPtrOrNull();
|
|
patternEnv = handleSILGenericParams(generics, &P.SF);
|
|
|
|
if (P.parseToken(tok::l_paren, diag::expected_tok_in_sil_instr, "("))
|
|
return true;
|
|
|
|
while (true) {
|
|
Identifier componentKind;
|
|
SourceLoc componentLoc;
|
|
if (parseSILIdentifier(componentKind, componentLoc,
|
|
diag::sil_keypath_expected_component_kind))
|
|
return true;
|
|
|
|
if (componentKind.str() == "root") {
|
|
if (P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr,
|
|
"$") ||
|
|
parseASTType(rootType, patternEnv))
|
|
return true;
|
|
} else if (componentKind.str() == "objc") {
|
|
auto tok = P.Tok;
|
|
if (P.parseToken(tok::string_literal, diag::expected_tok_in_sil_instr,
|
|
"string literal"))
|
|
return true;
|
|
|
|
auto objcStringValue = tok.getText().drop_front().drop_back();
|
|
objcString =
|
|
StringRef(P.Context.AllocateCopy<char>(objcStringValue.begin(),
|
|
objcStringValue.end()),
|
|
objcStringValue.size());
|
|
} else {
|
|
KeyPathPatternComponent component;
|
|
if (parseKeyPathPatternComponent(component, operandTypes,
|
|
componentLoc, componentKind, InstLoc,
|
|
patternEnv))
|
|
return true;
|
|
components.push_back(component);
|
|
}
|
|
|
|
if (!P.consumeIf(tok::semi))
|
|
break;
|
|
}
|
|
|
|
if (P.parseToken(tok::r_paren, diag::expected_tok_in_sil_instr, ")") ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
}
|
|
|
|
if (rootType.isNull())
|
|
P.diagnose(InstLoc.getSourceLoc(), diag::sil_keypath_no_root);
|
|
|
|
SmallVector<ParsedSubstitution, 4> parsedSubs;
|
|
if (parseSubstitutions(parsedSubs, ContextGenericEnv))
|
|
return true;
|
|
|
|
SubstitutionMap subMap;
|
|
if (!parsedSubs.empty()) {
|
|
if (!patternEnv) {
|
|
P.diagnose(InstLoc.getSourceLoc(),
|
|
diag::sil_substitutions_on_non_polymorphic_type);
|
|
return true;
|
|
}
|
|
|
|
subMap = getApplySubstitutionsFromParsed(*this, patternEnv, parsedSubs);
|
|
if (!subMap)
|
|
return true;
|
|
}
|
|
|
|
SmallVector<SILValue, 4> operands;
|
|
|
|
if (P.consumeIf(tok::l_paren)) {
|
|
while (true) {
|
|
SILValue v;
|
|
|
|
if (operands.size() >= operandTypes.size() ||
|
|
!operandTypes[operands.size()]) {
|
|
P.diagnose(P.Tok, diag::sil_keypath_no_use_of_operand_in_pattern,
|
|
operands.size());
|
|
return true;
|
|
}
|
|
|
|
auto ty = operandTypes[operands.size()].subst(SILMod, subMap);
|
|
|
|
if (parseValueRef(v, ty, RegularLocation(P.Tok.getLoc()), B))
|
|
return true;
|
|
operands.push_back(v);
|
|
|
|
if (P.consumeIf(tok::comma))
|
|
continue;
|
|
if (P.consumeIf(tok::r_paren))
|
|
break;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
CanGenericSignature canSig;
|
|
if (patternEnv && patternEnv->getGenericSignature()) {
|
|
canSig = patternEnv->getGenericSignature().getCanonicalSignature();
|
|
}
|
|
CanType leafType;
|
|
if (!components.empty())
|
|
leafType = components.back().getComponentType();
|
|
else
|
|
leafType = rootType;
|
|
auto pattern = KeyPathPattern::get(B.getModule(), canSig, rootType,
|
|
leafType, components, objcString);
|
|
|
|
ResultVal = B.createKeyPath(InstLoc, pattern, subMap, operands, Ty);
|
|
break;
|
|
}
|
|
|
|
// Conversion instructions.
|
|
case SILInstructionKind::UncheckedRefCastInst:
|
|
case SILInstructionKind::UncheckedAddrCastInst:
|
|
case SILInstructionKind::UncheckedTrivialBitCastInst:
|
|
case SILInstructionKind::UncheckedBitwiseCastInst:
|
|
case SILInstructionKind::UpcastInst:
|
|
case SILInstructionKind::AddressToPointerInst:
|
|
case SILInstructionKind::BridgeObjectToRefInst:
|
|
case SILInstructionKind::BridgeObjectToWordInst:
|
|
case SILInstructionKind::RefToRawPointerInst:
|
|
case SILInstructionKind::RawPointerToRefInst:
|
|
#define LOADABLE_REF_STORAGE(Name, ...) \
|
|
case SILInstructionKind::RefTo##Name##Inst: \
|
|
case SILInstructionKind::Name##ToRefInst:
|
|
#include "swift/AST/ReferenceStorage.def"
|
|
case SILInstructionKind::ThinFunctionToPointerInst:
|
|
case SILInstructionKind::PointerToThinFunctionInst:
|
|
case SILInstructionKind::ThinToThickFunctionInst:
|
|
case SILInstructionKind::ThickToObjCMetatypeInst:
|
|
case SILInstructionKind::ObjCToThickMetatypeInst:
|
|
case SILInstructionKind::ConvertFunctionInst:
|
|
case SILInstructionKind::ConvertEscapeToNoEscapeInst:
|
|
case SILInstructionKind::ObjCExistentialMetatypeToObjectInst:
|
|
case SILInstructionKind::ObjCMetatypeToObjectInst: {
|
|
SILType Ty;
|
|
Identifier ToToken;
|
|
SourceLoc ToLoc;
|
|
bool not_guaranteed = false;
|
|
bool without_actually_escaping = false;
|
|
if (Opcode == SILInstructionKind::ConvertEscapeToNoEscapeInst) {
|
|
StringRef attrName;
|
|
if (parseSILOptional(attrName, *this)) {
|
|
if (attrName.equals("not_guaranteed"))
|
|
not_guaranteed = true;
|
|
else
|
|
return true;
|
|
}
|
|
}
|
|
if (parseTypedValueRef(Val, B) ||
|
|
parseSILIdentifier(ToToken, ToLoc, diag::expected_tok_in_sil_instr,
|
|
"to"))
|
|
return true;
|
|
|
|
if (ToToken.str() != "to") {
|
|
P.diagnose(ToLoc, diag::expected_tok_in_sil_instr, "to");
|
|
return true;
|
|
}
|
|
if (Opcode == SILInstructionKind::ConvertFunctionInst) {
|
|
StringRef attrName;
|
|
if (parseSILOptional(attrName, *this)) {
|
|
if (attrName.equals("without_actually_escaping"))
|
|
without_actually_escaping = true;
|
|
else
|
|
return true;
|
|
}
|
|
}
|
|
if (parseSILType(Ty) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
switch (Opcode) {
|
|
default:
|
|
llvm_unreachable("Out of sync with parent switch");
|
|
case SILInstructionKind::UncheckedRefCastInst:
|
|
ResultVal = B.createUncheckedRefCast(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::UncheckedAddrCastInst:
|
|
ResultVal = B.createUncheckedAddrCast(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::UncheckedTrivialBitCastInst:
|
|
ResultVal = B.createUncheckedTrivialBitCast(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::UncheckedBitwiseCastInst:
|
|
ResultVal = B.createUncheckedBitwiseCast(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::UpcastInst:
|
|
ResultVal = B.createUpcast(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::ConvertFunctionInst:
|
|
ResultVal =
|
|
B.createConvertFunction(InstLoc, Val, Ty, without_actually_escaping);
|
|
break;
|
|
case SILInstructionKind::ConvertEscapeToNoEscapeInst:
|
|
ResultVal =
|
|
B.createConvertEscapeToNoEscape(InstLoc, Val, Ty, !not_guaranteed);
|
|
break;
|
|
case SILInstructionKind::AddressToPointerInst:
|
|
ResultVal = B.createAddressToPointer(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::BridgeObjectToRefInst:
|
|
ResultVal = B.createBridgeObjectToRef(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::BridgeObjectToWordInst:
|
|
ResultVal = B.createBridgeObjectToWord(InstLoc, Val);
|
|
break;
|
|
case SILInstructionKind::RefToRawPointerInst:
|
|
ResultVal = B.createRefToRawPointer(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::RawPointerToRefInst:
|
|
ResultVal = B.createRawPointerToRef(InstLoc, Val, Ty);
|
|
break;
|
|
#define LOADABLE_REF_STORAGE(Name, ...) \
|
|
case SILInstructionKind::RefTo##Name##Inst: \
|
|
ResultVal = B.createRefTo##Name(InstLoc, Val, Ty); \
|
|
break; \
|
|
case SILInstructionKind::Name##ToRefInst: \
|
|
ResultVal = B.create##Name##ToRef(InstLoc, Val, Ty); \
|
|
break;
|
|
#include "swift/AST/ReferenceStorage.def"
|
|
case SILInstructionKind::ThinFunctionToPointerInst:
|
|
ResultVal = B.createThinFunctionToPointer(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::PointerToThinFunctionInst:
|
|
ResultVal = B.createPointerToThinFunction(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::ThinToThickFunctionInst:
|
|
ResultVal = B.createThinToThickFunction(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::ThickToObjCMetatypeInst:
|
|
ResultVal = B.createThickToObjCMetatype(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::ObjCToThickMetatypeInst:
|
|
ResultVal = B.createObjCToThickMetatype(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::ObjCMetatypeToObjectInst:
|
|
ResultVal = B.createObjCMetatypeToObject(InstLoc, Val, Ty);
|
|
break;
|
|
case SILInstructionKind::ObjCExistentialMetatypeToObjectInst:
|
|
ResultVal = B.createObjCExistentialMetatypeToObject(InstLoc, Val, Ty);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case SILInstructionKind::PointerToAddressInst: {
|
|
SILType Ty;
|
|
Identifier ToToken;
|
|
SourceLoc ToLoc;
|
|
StringRef attr;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
parseSILIdentifier(ToToken, ToLoc, diag::expected_tok_in_sil_instr,
|
|
"to"))
|
|
return true;
|
|
if (parseSILOptional(attr, *this) && attr.empty())
|
|
return true;
|
|
if (parseSILType(Ty) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
bool isStrict = attr.equals("strict");
|
|
bool isInvariant = attr.equals("invariant");
|
|
|
|
if (ToToken.str() != "to") {
|
|
P.diagnose(ToLoc, diag::expected_tok_in_sil_instr, "to");
|
|
return true;
|
|
}
|
|
|
|
ResultVal =
|
|
B.createPointerToAddress(InstLoc, Val, Ty, isStrict, isInvariant);
|
|
break;
|
|
}
|
|
case SILInstructionKind::RefToBridgeObjectInst: {
|
|
SILValue BitsVal;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseTypedValueRef(BitsVal, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createRefToBridgeObject(InstLoc, Val, BitsVal);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::CheckedCastAddrBranchInst: {
|
|
Identifier consumptionKindToken;
|
|
SourceLoc consumptionKindLoc;
|
|
if (parseSILIdentifier(consumptionKindToken, consumptionKindLoc,
|
|
diag::expected_tok_in_sil_instr,
|
|
"cast consumption kind")) {
|
|
return true;
|
|
}
|
|
// NOTE: BorrowAlways is not a supported cast kind for address types, so we
|
|
// purposely do not parse it here.
|
|
auto kind = llvm::StringSwitch<Optional<CastConsumptionKind>>(
|
|
consumptionKindToken.str())
|
|
.Case("take_always", CastConsumptionKind::TakeAlways)
|
|
.Case("take_on_success", CastConsumptionKind::TakeOnSuccess)
|
|
.Case("copy_on_success", CastConsumptionKind::CopyOnSuccess)
|
|
.Default(None);
|
|
|
|
if (!kind) {
|
|
P.diagnose(consumptionKindLoc, diag::expected_tok_in_sil_instr,
|
|
"cast consumption kind");
|
|
return true;
|
|
}
|
|
auto consumptionKind = kind.getValue();
|
|
|
|
if (parseSourceAndDestAddress() || parseConditionalBranchDestinations() ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createCheckedCastAddrBranch(
|
|
InstLoc, consumptionKind, SourceAddr, SourceType, DestAddr, TargetType,
|
|
getBBForReference(SuccessBBName, SuccessBBLoc),
|
|
getBBForReference(FailureBBName, FailureBBLoc));
|
|
break;
|
|
}
|
|
case SILInstructionKind::UncheckedRefCastAddrInst:
|
|
if (parseSourceAndDestAddress() || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createUncheckedRefCastAddr(InstLoc, SourceAddr, SourceType,
|
|
DestAddr, TargetType);
|
|
break;
|
|
|
|
case SILInstructionKind::UnconditionalCheckedCastAddrInst:
|
|
if (parseSourceAndDestAddress() || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createUnconditionalCheckedCastAddr(
|
|
InstLoc, SourceAddr, SourceType, DestAddr, TargetType);
|
|
break;
|
|
|
|
case SILInstructionKind::UnconditionalCheckedCastValueInst: {
|
|
if (parseASTType(SourceType) || parseVerbatim("in") ||
|
|
parseTypedValueRef(Val, B) || parseVerbatim("to") ||
|
|
parseASTType(TargetType) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
auto opaque = Lowering::AbstractionPattern::getOpaque();
|
|
ResultVal = B.createUnconditionalCheckedCastValue(
|
|
InstLoc, Val, SourceType, F->getLoweredType(opaque, TargetType),
|
|
TargetType);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::UnconditionalCheckedCastInst: {
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("to") ||
|
|
parseASTType(TargetType))
|
|
return true;
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
auto opaque = Lowering::AbstractionPattern::getOpaque();
|
|
ResultVal = B.createUnconditionalCheckedCast(
|
|
InstLoc, Val, F->getLoweredType(opaque, TargetType), TargetType);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::CheckedCastBranchInst: {
|
|
bool isExact = false;
|
|
if (Opcode == SILInstructionKind::CheckedCastBranchInst &&
|
|
parseSILOptional(isExact, *this, "exact"))
|
|
return true;
|
|
|
|
if (parseTypedValueRef(Val, B) || parseVerbatim("to") ||
|
|
parseASTType(TargetType) || parseConditionalBranchDestinations())
|
|
return true;
|
|
|
|
auto opaque = Lowering::AbstractionPattern::getOpaque();
|
|
ResultVal = B.createCheckedCastBranch(
|
|
InstLoc, isExact, Val, F->getLoweredType(opaque, TargetType),
|
|
TargetType, getBBForReference(SuccessBBName, SuccessBBLoc),
|
|
getBBForReference(FailureBBName, FailureBBLoc));
|
|
break;
|
|
}
|
|
case SILInstructionKind::CheckedCastValueBranchInst: {
|
|
if (parseASTType(SourceType) || parseVerbatim("in") ||
|
|
parseTypedValueRef(Val, B) || parseVerbatim("to") ||
|
|
parseASTType(TargetType) || parseConditionalBranchDestinations())
|
|
return true;
|
|
|
|
auto opaque = Lowering::AbstractionPattern::getOpaque();
|
|
ResultVal = B.createCheckedCastValueBranch(
|
|
InstLoc, Val, SourceType, F->getLoweredType(opaque, TargetType),
|
|
TargetType, getBBForReference(SuccessBBName, SuccessBBLoc),
|
|
getBBForReference(FailureBBName, FailureBBLoc));
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::MarkUninitializedInst: {
|
|
if (P.parseToken(tok::l_square, diag::expected_tok_in_sil_instr, "["))
|
|
return true;
|
|
|
|
Identifier KindId;
|
|
SourceLoc KindLoc = P.Tok.getLoc();
|
|
if (P.consumeIf(tok::kw_var))
|
|
KindId = P.Context.getIdentifier("var");
|
|
else if (P.parseIdentifier(KindId, KindLoc, diag::expected_tok_in_sil_instr,
|
|
"kind"))
|
|
return true;
|
|
|
|
if (P.parseToken(tok::r_square, diag::expected_tok_in_sil_instr, "]"))
|
|
return true;
|
|
|
|
MarkUninitializedInst::Kind Kind;
|
|
if (KindId.str() == "var")
|
|
Kind = MarkUninitializedInst::Var;
|
|
else if (KindId.str() == "rootself")
|
|
Kind = MarkUninitializedInst::RootSelf;
|
|
else if (KindId.str() == "crossmodulerootself")
|
|
Kind = MarkUninitializedInst::CrossModuleRootSelf;
|
|
else if (KindId.str() == "derivedself")
|
|
Kind = MarkUninitializedInst::DerivedSelf;
|
|
else if (KindId.str() == "derivedselfonly")
|
|
Kind = MarkUninitializedInst::DerivedSelfOnly;
|
|
else if (KindId.str() == "delegatingself")
|
|
Kind = MarkUninitializedInst::DelegatingSelf;
|
|
else if (KindId.str() == "delegatingselfallocated")
|
|
Kind = MarkUninitializedInst::DelegatingSelfAllocated;
|
|
else {
|
|
P.diagnose(KindLoc, diag::expected_tok_in_sil_instr,
|
|
"var, rootself, crossmodulerootself, derivedself, "
|
|
"derivedselfonly, delegatingself, or delegatingselfallocated");
|
|
return true;
|
|
}
|
|
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createMarkUninitialized(InstLoc, Val, Kind);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::MarkFunctionEscapeInst: {
|
|
SmallVector<SILValue, 4> OpList;
|
|
do {
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
OpList.push_back(Val);
|
|
} while (!peekSILDebugLocation(P) && P.consumeIf(tok::comma));
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createMarkFunctionEscape(InstLoc, OpList);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::AssignInst:
|
|
case SILInstructionKind::StoreInst: {
|
|
UnresolvedValueName From;
|
|
SourceLoc ToLoc, AddrLoc;
|
|
Identifier ToToken;
|
|
SILValue AddrVal;
|
|
StoreOwnershipQualifier StoreQualifier;
|
|
AssignOwnershipQualifier AssignQualifier;
|
|
bool IsStore = Opcode == SILInstructionKind::StoreInst;
|
|
bool IsAssign = Opcode == SILInstructionKind::AssignInst;
|
|
if (parseValueName(From) ||
|
|
parseSILIdentifier(ToToken, ToLoc, diag::expected_tok_in_sil_instr,
|
|
"to"))
|
|
return true;
|
|
|
|
if (IsStore && parseStoreOwnershipQualifier(StoreQualifier, *this))
|
|
return true;
|
|
|
|
if (IsAssign && parseAssignOwnershipQualifier(AssignQualifier, *this))
|
|
return true;
|
|
|
|
if (parseTypedValueRef(AddrVal, AddrLoc, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (ToToken.str() != "to") {
|
|
P.diagnose(ToLoc, diag::expected_tok_in_sil_instr, "to");
|
|
return true;
|
|
}
|
|
|
|
if (!AddrVal->getType().isAddress()) {
|
|
P.diagnose(AddrLoc, diag::sil_operand_not_address, "destination",
|
|
OpcodeName);
|
|
return true;
|
|
}
|
|
|
|
SILType ValType = AddrVal->getType().getObjectType();
|
|
|
|
if (IsStore) {
|
|
ResultVal =
|
|
B.createStore(InstLoc, getLocalValue(From, ValType, InstLoc, B),
|
|
AddrVal, StoreQualifier);
|
|
} else {
|
|
assert(IsAssign);
|
|
|
|
ResultVal =
|
|
B.createAssign(InstLoc, getLocalValue(From, ValType, InstLoc, B),
|
|
AddrVal, AssignQualifier);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::AssignByWrapperInst: {
|
|
SILValue Src, DestAddr, InitFn, SetFn;
|
|
SourceLoc DestLoc;
|
|
AssignOwnershipQualifier AssignQualifier;
|
|
if (parseTypedValueRef(Src, B) || parseVerbatim("to") ||
|
|
parseAssignOwnershipQualifier(AssignQualifier, *this) ||
|
|
parseTypedValueRef(DestAddr, DestLoc, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseVerbatim("init") || parseTypedValueRef(InitFn, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseVerbatim("set") || parseTypedValueRef(SetFn, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (!DestAddr->getType().isAddress()) {
|
|
P.diagnose(DestLoc, diag::sil_operand_not_address, "destination",
|
|
OpcodeName);
|
|
return true;
|
|
}
|
|
|
|
ResultVal = B.createAssignByWrapper(InstLoc, Src, DestAddr, InitFn, SetFn,
|
|
AssignQualifier);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::BeginAccessInst:
|
|
case SILInstructionKind::BeginUnpairedAccessInst:
|
|
case SILInstructionKind::EndAccessInst:
|
|
case SILInstructionKind::EndUnpairedAccessInst: {
|
|
ParsedEnum<SILAccessKind> kind;
|
|
ParsedEnum<SILAccessEnforcement> enforcement;
|
|
ParsedEnum<bool> aborting;
|
|
ParsedEnum<bool> noNestedConflict;
|
|
ParsedEnum<bool> fromBuiltin;
|
|
|
|
bool isBeginAccess =
|
|
(Opcode == SILInstructionKind::BeginAccessInst ||
|
|
Opcode == SILInstructionKind::BeginUnpairedAccessInst);
|
|
bool wantsEnforcement =
|
|
(isBeginAccess || Opcode == SILInstructionKind::EndUnpairedAccessInst);
|
|
|
|
while (P.consumeIf(tok::l_square)) {
|
|
Identifier ident;
|
|
SourceLoc identLoc;
|
|
if (parseSILIdentifier(ident, identLoc,
|
|
diag::expected_in_attribute_list)) {
|
|
if (P.consumeIf(tok::r_square)) {
|
|
continue;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
StringRef attr = ident.str();
|
|
|
|
auto setEnforcement = [&](SILAccessEnforcement value) {
|
|
maybeSetEnum(wantsEnforcement, enforcement, value, attr, identLoc);
|
|
};
|
|
auto setKind = [&](SILAccessKind value) {
|
|
maybeSetEnum(isBeginAccess, kind, value, attr, identLoc);
|
|
};
|
|
auto setAborting = [&](bool value) {
|
|
maybeSetEnum(!isBeginAccess, aborting, value, attr, identLoc);
|
|
};
|
|
auto setNoNestedConflict = [&](bool value) {
|
|
maybeSetEnum(isBeginAccess, noNestedConflict, value, attr, identLoc);
|
|
};
|
|
auto setFromBuiltin = [&](bool value) {
|
|
maybeSetEnum(Opcode != SILInstructionKind::EndAccessInst, fromBuiltin,
|
|
value, attr, identLoc);
|
|
};
|
|
|
|
if (attr == "unknown") {
|
|
setEnforcement(SILAccessEnforcement::Unknown);
|
|
} else if (attr == "static") {
|
|
setEnforcement(SILAccessEnforcement::Static);
|
|
} else if (attr == "dynamic") {
|
|
setEnforcement(SILAccessEnforcement::Dynamic);
|
|
} else if (attr == "unsafe") {
|
|
setEnforcement(SILAccessEnforcement::Unsafe);
|
|
} else if (attr == "init") {
|
|
setKind(SILAccessKind::Init);
|
|
} else if (attr == "read") {
|
|
setKind(SILAccessKind::Read);
|
|
} else if (attr == "modify") {
|
|
setKind(SILAccessKind::Modify);
|
|
} else if (attr == "deinit") {
|
|
setKind(SILAccessKind::Deinit);
|
|
} else if (attr == "abort") {
|
|
setAborting(true);
|
|
} else if (attr == "no_nested_conflict") {
|
|
setNoNestedConflict(true);
|
|
} else if (attr == "builtin") {
|
|
setFromBuiltin(true);
|
|
} else {
|
|
P.diagnose(identLoc, diag::unknown_attribute, attr);
|
|
}
|
|
|
|
if (!P.consumeIf(tok::r_square))
|
|
return true;
|
|
}
|
|
|
|
if (isBeginAccess && !kind.isSet()) {
|
|
P.diagnose(OpcodeLoc, diag::sil_expected_access_kind, OpcodeName);
|
|
kind.Value = SILAccessKind::Read;
|
|
}
|
|
|
|
if (wantsEnforcement && !enforcement.isSet()) {
|
|
P.diagnose(OpcodeLoc, diag::sil_expected_access_enforcement, OpcodeName);
|
|
enforcement.Value = SILAccessEnforcement::Unsafe;
|
|
}
|
|
|
|
if (!isBeginAccess && !aborting.isSet())
|
|
aborting.Value = false;
|
|
|
|
if (isBeginAccess && !noNestedConflict.isSet())
|
|
noNestedConflict.Value = false;
|
|
|
|
if (!fromBuiltin.isSet())
|
|
fromBuiltin.Value = false;
|
|
|
|
SILValue addrVal;
|
|
SourceLoc addrLoc;
|
|
if (parseTypedValueRef(addrVal, addrLoc, B))
|
|
return true;
|
|
|
|
SILValue bufferVal;
|
|
SourceLoc bufferLoc;
|
|
if (Opcode == SILInstructionKind::BeginUnpairedAccessInst &&
|
|
(P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseTypedValueRef(bufferVal, bufferLoc, B)))
|
|
return true;
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (!addrVal->getType().isAddress()) {
|
|
P.diagnose(addrLoc, diag::sil_operand_not_address, "operand", OpcodeName);
|
|
return true;
|
|
}
|
|
|
|
if (Opcode == SILInstructionKind::BeginAccessInst) {
|
|
ResultVal = B.createBeginAccess(InstLoc, addrVal, *kind, *enforcement,
|
|
*noNestedConflict, *fromBuiltin);
|
|
} else if (Opcode == SILInstructionKind::EndAccessInst) {
|
|
ResultVal = B.createEndAccess(InstLoc, addrVal, *aborting);
|
|
} else if (Opcode == SILInstructionKind::BeginUnpairedAccessInst) {
|
|
ResultVal = B.createBeginUnpairedAccess(InstLoc, addrVal, bufferVal,
|
|
*kind, *enforcement,
|
|
*noNestedConflict, *fromBuiltin);
|
|
} else {
|
|
ResultVal = B.createEndUnpairedAccess(InstLoc, addrVal, *enforcement,
|
|
*aborting, *fromBuiltin);
|
|
}
|
|
break;
|
|
}
|
|
|
|
#define NEVER_OR_SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
|
|
case SILInstructionKind::Store##Name##Inst:
|
|
#include "swift/AST/ReferenceStorage.def"
|
|
case SILInstructionKind::StoreBorrowInst: {
|
|
UnresolvedValueName from;
|
|
bool isRefStorage = false;
|
|
#define NEVER_OR_SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
|
|
isRefStorage |= Opcode == SILInstructionKind::Store##Name##Inst;
|
|
#include "swift/AST/ReferenceStorage.def"
|
|
|
|
SourceLoc toLoc, addrLoc;
|
|
Identifier toToken;
|
|
SILValue addrVal;
|
|
bool isInit = false;
|
|
if (parseValueName(from) ||
|
|
parseSILIdentifier(toToken, toLoc, diag::expected_tok_in_sil_instr,
|
|
"to") ||
|
|
(isRefStorage && parseSILOptional(isInit, *this, "initialization")) ||
|
|
parseTypedValueRef(addrVal, addrLoc, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (toToken.str() != "to") {
|
|
P.diagnose(toLoc, diag::expected_tok_in_sil_instr, "to");
|
|
return true;
|
|
}
|
|
|
|
if (!addrVal->getType().isAddress()) {
|
|
P.diagnose(addrLoc, diag::sil_operand_not_address, "destination",
|
|
OpcodeName);
|
|
return true;
|
|
}
|
|
|
|
if (Opcode == SILInstructionKind::StoreBorrowInst) {
|
|
SILType valueTy = addrVal->getType().getObjectType();
|
|
ResultVal = B.createStoreBorrow(
|
|
InstLoc, getLocalValue(from, valueTy, InstLoc, B), addrVal);
|
|
break;
|
|
}
|
|
|
|
#define NEVER_OR_SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
|
|
if (Opcode == SILInstructionKind::Store##Name##Inst) { \
|
|
auto refType = addrVal->getType().getAs<Name##StorageType>(); \
|
|
if (!refType) { \
|
|
P.diagnose(addrLoc, diag::sil_operand_not_ref_storage_address, \
|
|
"destination", OpcodeName, ReferenceOwnership::Name); \
|
|
return true; \
|
|
} \
|
|
auto valueTy = SILType::getPrimitiveObjectType(refType.getReferentType()); \
|
|
ResultVal = \
|
|
B.createStore##Name(InstLoc, getLocalValue(from, valueTy, InstLoc, B), \
|
|
addrVal, IsInitialization_t(isInit)); \
|
|
break; \
|
|
}
|
|
#include "swift/AST/ReferenceStorage.def"
|
|
|
|
break;
|
|
}
|
|
case SILInstructionKind::AllocStackInst:
|
|
case SILInstructionKind::MetatypeInst: {
|
|
|
|
bool hasDynamicLifetime = false;
|
|
if (Opcode == SILInstructionKind::AllocStackInst &&
|
|
parseSILOptional(hasDynamicLifetime, *this, "dynamic_lifetime"))
|
|
return true;
|
|
|
|
SILType Ty;
|
|
if (parseSILType(Ty))
|
|
return true;
|
|
|
|
if (Opcode == SILInstructionKind::AllocStackInst) {
|
|
SILDebugVariable VarInfo;
|
|
if (parseSILDebugVar(VarInfo) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createAllocStack(InstLoc, Ty, VarInfo, hasDynamicLifetime);
|
|
} else {
|
|
assert(Opcode == SILInstructionKind::MetatypeInst);
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createMetatype(InstLoc, Ty);
|
|
}
|
|
break;
|
|
}
|
|
case SILInstructionKind::AllocRefInst:
|
|
case SILInstructionKind::AllocRefDynamicInst: {
|
|
bool IsObjC = false;
|
|
bool OnStack = false;
|
|
SmallVector<SILType, 2> ElementTypes;
|
|
SmallVector<SILValue, 2> ElementCounts;
|
|
while (P.consumeIf(tok::l_square)) {
|
|
Identifier Id;
|
|
parseSILIdentifier(Id, diag::expected_in_attribute_list);
|
|
StringRef Optional = Id.str();
|
|
if (Optional == "objc") {
|
|
IsObjC = true;
|
|
} else if (Optional == "stack") {
|
|
OnStack = true;
|
|
} else if (Optional == "tail_elems") {
|
|
SILType ElemTy;
|
|
if (parseSILType(ElemTy) || !P.Tok.isAnyOperator() ||
|
|
P.Tok.getText() != "*")
|
|
return true;
|
|
P.consumeToken();
|
|
|
|
SILValue ElemCount;
|
|
if (parseTypedValueRef(ElemCount, B))
|
|
return true;
|
|
|
|
ElementTypes.push_back(ElemTy);
|
|
ElementCounts.push_back(ElemCount);
|
|
} else {
|
|
return true;
|
|
}
|
|
P.parseToken(tok::r_square, diag::expected_in_attribute_list);
|
|
}
|
|
SILValue Metadata;
|
|
if (Opcode == SILInstructionKind::AllocRefDynamicInst) {
|
|
if (parseTypedValueRef(Metadata, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
}
|
|
|
|
SILType ObjectType;
|
|
if (parseSILType(ObjectType))
|
|
return true;
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (IsObjC && !ElementTypes.empty()) {
|
|
P.diagnose(P.Tok, diag::sil_objc_with_tail_elements);
|
|
return true;
|
|
}
|
|
if (Opcode == SILInstructionKind::AllocRefDynamicInst) {
|
|
if (OnStack)
|
|
return true;
|
|
|
|
ResultVal = B.createAllocRefDynamic(InstLoc, Metadata, ObjectType, IsObjC,
|
|
ElementTypes, ElementCounts);
|
|
} else {
|
|
ResultVal = B.createAllocRef(InstLoc, ObjectType, IsObjC, OnStack,
|
|
ElementTypes, ElementCounts);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::DeallocStackInst:
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createDeallocStack(InstLoc, Val);
|
|
break;
|
|
case SILInstructionKind::DeallocRefInst: {
|
|
bool OnStack = false;
|
|
if (parseSILOptional(OnStack, *this, "stack"))
|
|
return true;
|
|
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createDeallocRef(InstLoc, Val, OnStack);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DeallocPartialRefInst: {
|
|
SILValue Metatype, Instance;
|
|
if (parseTypedValueRef(Instance, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseTypedValueRef(Metatype, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createDeallocPartialRef(InstLoc, Instance, Metatype);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DeallocBoxInst:
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createDeallocBox(InstLoc, Val);
|
|
break;
|
|
case SILInstructionKind::ValueMetatypeInst:
|
|
case SILInstructionKind::ExistentialMetatypeInst: {
|
|
SILType Ty;
|
|
if (parseSILType(Ty) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
switch (Opcode) {
|
|
default:
|
|
llvm_unreachable("Out of sync with parent switch");
|
|
case SILInstructionKind::ValueMetatypeInst:
|
|
ResultVal = B.createValueMetatype(InstLoc, Ty, Val);
|
|
break;
|
|
case SILInstructionKind::ExistentialMetatypeInst:
|
|
ResultVal = B.createExistentialMetatype(InstLoc, Ty, Val);
|
|
break;
|
|
case SILInstructionKind::DeallocBoxInst:
|
|
ResultVal = B.createDeallocBox(InstLoc, Val);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case SILInstructionKind::DeallocExistentialBoxInst: {
|
|
CanType ConcreteTy;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr, "$") ||
|
|
parseASTType(ConcreteTy) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createDeallocExistentialBox(InstLoc, ConcreteTy, Val);
|
|
break;
|
|
}
|
|
case SILInstructionKind::TupleInst: {
|
|
// Tuple instructions have two different syntaxes, one for simple tuple
|
|
// types, one for complicated ones.
|
|
if (P.Tok.isNot(tok::sil_dollar)) {
|
|
// If there is no type, parse the simple form.
|
|
if (P.parseToken(tok::l_paren, diag::expected_tok_in_sil_instr, "("))
|
|
return true;
|
|
|
|
// TODO: Check for a type here. This is how tuples with "interesting"
|
|
// types are described.
|
|
|
|
// This form is used with tuples that have elements with no names or
|
|
// default values.
|
|
SmallVector<TupleTypeElt, 4> TypeElts;
|
|
if (P.Tok.isNot(tok::r_paren)) {
|
|
do {
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
OpList.push_back(Val);
|
|
TypeElts.push_back(Val->getType().getASTType());
|
|
} while (P.consumeIf(tok::comma));
|
|
}
|
|
HadError |=
|
|
P.parseToken(tok::r_paren, diag::expected_tok_in_sil_instr, ")");
|
|
|
|
auto Ty = TupleType::get(TypeElts, P.Context);
|
|
auto Ty2 = SILType::getPrimitiveObjectType(Ty->getCanonicalType());
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createTuple(InstLoc, Ty2, OpList);
|
|
break;
|
|
}
|
|
|
|
// Otherwise, parse the fully general form.
|
|
SILType Ty;
|
|
if (parseSILType(Ty) ||
|
|
P.parseToken(tok::l_paren, diag::expected_tok_in_sil_instr, "("))
|
|
return true;
|
|
|
|
TupleType *TT = Ty.getAs<TupleType>();
|
|
if (TT == nullptr) {
|
|
P.diagnose(OpcodeLoc, diag::expected_tuple_type_in_tuple);
|
|
return true;
|
|
}
|
|
|
|
SmallVector<TupleTypeElt, 4> TypeElts;
|
|
if (P.Tok.isNot(tok::r_paren)) {
|
|
do {
|
|
if (TypeElts.size() > TT->getNumElements()) {
|
|
P.diagnose(P.Tok, diag::sil_tuple_inst_wrong_value_count,
|
|
TT->getNumElements());
|
|
return true;
|
|
}
|
|
Type EltTy = TT->getElement(TypeElts.size()).getType();
|
|
if (parseValueRef(
|
|
Val,
|
|
SILType::getPrimitiveObjectType(EltTy->getCanonicalType()),
|
|
RegularLocation(P.Tok.getLoc()), B))
|
|
return true;
|
|
OpList.push_back(Val);
|
|
TypeElts.push_back(Val->getType().getASTType());
|
|
} while (P.consumeIf(tok::comma));
|
|
}
|
|
HadError |= P.parseToken(tok::r_paren,
|
|
diag::expected_tok_in_sil_instr,")");
|
|
|
|
if (TypeElts.size() != TT->getNumElements()) {
|
|
P.diagnose(OpcodeLoc, diag::sil_tuple_inst_wrong_value_count,
|
|
TT->getNumElements());
|
|
return true;
|
|
}
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createTuple(InstLoc, Ty, OpList);
|
|
break;
|
|
}
|
|
case SILInstructionKind::EnumInst: {
|
|
SILType Ty;
|
|
SILDeclRef Elt;
|
|
SILValue Operand;
|
|
if (parseSILType(Ty) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILDeclRef(Elt))
|
|
return true;
|
|
|
|
if (P.Tok.is(tok::comma) && !peekSILDebugLocation(P)) {
|
|
P.consumeToken(tok::comma);
|
|
if (parseTypedValueRef(Operand, B))
|
|
return true;
|
|
}
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createEnum(InstLoc, Operand,
|
|
cast<EnumElementDecl>(Elt.getDecl()), Ty);
|
|
break;
|
|
}
|
|
case SILInstructionKind::InitEnumDataAddrInst:
|
|
case SILInstructionKind::UncheckedEnumDataInst:
|
|
case SILInstructionKind::UncheckedTakeEnumDataAddrInst: {
|
|
SILValue Operand;
|
|
SILDeclRef EltRef;
|
|
if (parseTypedValueRef(Operand, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILDeclRef(EltRef) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
EnumElementDecl *Elt = cast<EnumElementDecl>(EltRef.getDecl());
|
|
auto ResultTy = Operand->getType().getEnumElementType(
|
|
Elt, SILMod, B.getTypeExpansionContext());
|
|
|
|
switch (Opcode) {
|
|
case swift::SILInstructionKind::InitEnumDataAddrInst:
|
|
ResultVal = B.createInitEnumDataAddr(InstLoc, Operand, Elt, ResultTy);
|
|
break;
|
|
case swift::SILInstructionKind::UncheckedTakeEnumDataAddrInst:
|
|
ResultVal =
|
|
B.createUncheckedTakeEnumDataAddr(InstLoc, Operand, Elt, ResultTy);
|
|
break;
|
|
case swift::SILInstructionKind::UncheckedEnumDataInst:
|
|
ResultVal = B.createUncheckedEnumData(InstLoc, Operand, Elt, ResultTy);
|
|
break;
|
|
default:
|
|
llvm_unreachable("switch out of sync");
|
|
}
|
|
break;
|
|
}
|
|
case SILInstructionKind::InjectEnumAddrInst: {
|
|
SILValue Operand;
|
|
SILDeclRef EltRef;
|
|
if (parseTypedValueRef(Operand, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILDeclRef(EltRef) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
EnumElementDecl *Elt = cast<EnumElementDecl>(EltRef.getDecl());
|
|
ResultVal = B.createInjectEnumAddr(InstLoc, Operand, Elt);
|
|
break;
|
|
}
|
|
case SILInstructionKind::TupleElementAddrInst:
|
|
case SILInstructionKind::TupleExtractInst: {
|
|
SourceLoc NameLoc;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
|
|
unsigned Field = 0;
|
|
TupleType *TT = Val->getType().getAs<TupleType>();
|
|
if (P.Tok.isNot(tok::integer_literal) ||
|
|
parseIntegerLiteral(P.Tok.getText(), 10, Field) ||
|
|
Field >= TT->getNumElements()) {
|
|
P.diagnose(P.Tok, diag::sil_tuple_inst_wrong_field);
|
|
return true;
|
|
}
|
|
P.consumeToken(tok::integer_literal);
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
auto ResultTy = TT->getElement(Field).getType()->getCanonicalType();
|
|
if (Opcode == SILInstructionKind::TupleElementAddrInst)
|
|
ResultVal = B.createTupleElementAddr(
|
|
InstLoc, Val, Field, SILType::getPrimitiveAddressType(ResultTy));
|
|
else
|
|
ResultVal = B.createTupleExtract(
|
|
InstLoc, Val, Field, SILType::getPrimitiveObjectType(ResultTy));
|
|
break;
|
|
}
|
|
case SILInstructionKind::ReturnInst: {
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createReturn(InstLoc, Val);
|
|
break;
|
|
}
|
|
case SILInstructionKind::ThrowInst: {
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createThrow(InstLoc, Val);
|
|
break;
|
|
}
|
|
case SILInstructionKind::UnwindInst: {
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createUnwind(InstLoc);
|
|
break;
|
|
}
|
|
case SILInstructionKind::YieldInst: {
|
|
SmallVector<SILValue, 6> values;
|
|
|
|
// Parse a parenthesized (unless length-1), comma-separated list
|
|
// of yielded values.
|
|
if (P.consumeIf(tok::l_paren)) {
|
|
if (!P.Tok.is(tok::r_paren)) {
|
|
do {
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
values.push_back(Val);
|
|
} while (P.consumeIf(tok::comma));
|
|
}
|
|
|
|
if (P.parseToken(tok::r_paren, diag::expected_tok_in_sil_instr, ")"))
|
|
return true;
|
|
|
|
} else {
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
values.push_back(Val);
|
|
}
|
|
|
|
Identifier resumeName, unwindName;
|
|
SourceLoc resumeLoc, unwindLoc;
|
|
if (P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseVerbatim("resume") ||
|
|
parseSILIdentifier(resumeName, resumeLoc,
|
|
diag::expected_sil_block_name) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseVerbatim("unwind") ||
|
|
parseSILIdentifier(unwindName, unwindLoc,
|
|
diag::expected_sil_block_name) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
auto resumeBB = getBBForReference(resumeName, resumeLoc);
|
|
auto unwindBB = getBBForReference(unwindName, unwindLoc);
|
|
ResultVal = B.createYield(InstLoc, values, resumeBB, unwindBB);
|
|
break;
|
|
}
|
|
case SILInstructionKind::BranchInst: {
|
|
Identifier BBName;
|
|
SourceLoc NameLoc;
|
|
if (parseSILIdentifier(BBName, NameLoc, diag::expected_sil_block_name))
|
|
return true;
|
|
|
|
SmallVector<SILValue, 6> Args;
|
|
if (parseSILBBArgsAtBranch(Args, B))
|
|
return true;
|
|
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// Note, the basic block here could be a reference to an undefined
|
|
// basic block, which will be parsed later on.
|
|
ResultVal =
|
|
B.createBranch(InstLoc, getBBForReference(BBName, NameLoc), Args);
|
|
break;
|
|
}
|
|
case SILInstructionKind::CondBranchInst: {
|
|
UnresolvedValueName Cond;
|
|
Identifier BBName, BBName2;
|
|
SourceLoc NameLoc, NameLoc2;
|
|
SmallVector<SILValue, 6> Args, Args2;
|
|
if (parseValueName(Cond) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILIdentifier(BBName, NameLoc, diag::expected_sil_block_name) ||
|
|
parseSILBBArgsAtBranch(Args, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILIdentifier(BBName2, NameLoc2,
|
|
diag::expected_sil_block_name) ||
|
|
parseSILBBArgsAtBranch(Args2, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
auto I1Ty = SILType::getBuiltinIntegerType(1, SILMod.getASTContext());
|
|
SILValue CondVal = getLocalValue(Cond, I1Ty, InstLoc, B);
|
|
ResultVal = B.createCondBranch(
|
|
InstLoc, CondVal, getBBForReference(BBName, NameLoc), Args,
|
|
getBBForReference(BBName2, NameLoc2), Args2);
|
|
break;
|
|
}
|
|
case SILInstructionKind::UnreachableInst:
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createUnreachable(InstLoc);
|
|
break;
|
|
|
|
case SILInstructionKind::ClassMethodInst:
|
|
case SILInstructionKind::SuperMethodInst:
|
|
case SILInstructionKind::ObjCMethodInst:
|
|
case SILInstructionKind::ObjCSuperMethodInst: {
|
|
SILDeclRef Member;
|
|
SILType MethodTy;
|
|
SourceLoc TyLoc;
|
|
SmallVector<ValueDecl *, 4> values;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
|
|
if (parseSILDeclRef(Member, true))
|
|
return true;
|
|
|
|
if (P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILType(MethodTy, TyLoc) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
switch (Opcode) {
|
|
default:
|
|
llvm_unreachable("Out of sync with parent switch");
|
|
case SILInstructionKind::ClassMethodInst:
|
|
ResultVal = B.createClassMethod(InstLoc, Val, Member, MethodTy);
|
|
break;
|
|
case SILInstructionKind::SuperMethodInst:
|
|
ResultVal = B.createSuperMethod(InstLoc, Val, Member, MethodTy);
|
|
break;
|
|
case SILInstructionKind::ObjCMethodInst:
|
|
ResultVal = B.createObjCMethod(InstLoc, Val, Member, MethodTy);
|
|
break;
|
|
case SILInstructionKind::ObjCSuperMethodInst:
|
|
ResultVal = B.createObjCSuperMethod(InstLoc, Val, Member, MethodTy);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case SILInstructionKind::WitnessMethodInst: {
|
|
CanType LookupTy;
|
|
SILDeclRef Member;
|
|
SILType MethodTy;
|
|
SourceLoc TyLoc;
|
|
if (P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr, "$") ||
|
|
parseASTType(LookupTy) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ","))
|
|
return true;
|
|
if (parseSILDeclRef(Member, true))
|
|
return true;
|
|
// Optional operand.
|
|
SILValue Operand;
|
|
if (P.Tok.is(tok::comma)) {
|
|
P.consumeToken(tok::comma);
|
|
if (parseTypedValueRef(Operand, B))
|
|
return true;
|
|
}
|
|
if (P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":") ||
|
|
parseSILType(MethodTy, TyLoc) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// If LookupTy is a non-archetype, look up its conformance.
|
|
ProtocolDecl *proto =
|
|
dyn_cast<ProtocolDecl>(Member.getDecl()->getDeclContext());
|
|
if (!proto) {
|
|
P.diagnose(TyLoc, diag::sil_witness_method_not_protocol);
|
|
return true;
|
|
}
|
|
auto conformance =
|
|
P.SF.getParentModule()->lookupConformance(LookupTy, proto);
|
|
if (conformance.isInvalid()) {
|
|
P.diagnose(TyLoc, diag::sil_witness_method_type_does_not_conform);
|
|
return true;
|
|
}
|
|
|
|
ResultVal = B.createWitnessMethod(InstLoc, LookupTy, conformance, Member,
|
|
MethodTy);
|
|
break;
|
|
}
|
|
case SILInstructionKind::CopyAddrInst: {
|
|
bool IsTake = false, IsInit = false;
|
|
UnresolvedValueName SrcLName;
|
|
SILValue DestLVal;
|
|
SourceLoc ToLoc, DestLoc;
|
|
Identifier ToToken;
|
|
if (parseSILOptional(IsTake, *this, "take") || parseValueName(SrcLName) ||
|
|
parseSILIdentifier(ToToken, ToLoc, diag::expected_tok_in_sil_instr,
|
|
"to") ||
|
|
parseSILOptional(IsInit, *this, "initialization") ||
|
|
parseTypedValueRef(DestLVal, DestLoc, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (ToToken.str() != "to") {
|
|
P.diagnose(ToLoc, diag::expected_tok_in_sil_instr, "to");
|
|
return true;
|
|
}
|
|
|
|
if (!DestLVal->getType().isAddress()) {
|
|
P.diagnose(DestLoc, diag::sil_invalid_instr_operands);
|
|
return true;
|
|
}
|
|
|
|
SILValue SrcLVal =
|
|
getLocalValue(SrcLName, DestLVal->getType(), InstLoc, B);
|
|
ResultVal = B.createCopyAddr(InstLoc, SrcLVal, DestLVal, IsTake_t(IsTake),
|
|
IsInitialization_t(IsInit));
|
|
break;
|
|
}
|
|
case SILInstructionKind::BindMemoryInst: {
|
|
SILValue IndexVal;
|
|
Identifier ToToken;
|
|
SourceLoc ToLoc;
|
|
SILType EltTy;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseTypedValueRef(IndexVal, B) ||
|
|
parseSILIdentifier(ToToken, ToLoc, diag::expected_tok_in_sil_instr,
|
|
"to") ||
|
|
parseSILType(EltTy) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (ToToken.str() != "to") {
|
|
P.diagnose(ToLoc, diag::expected_tok_in_sil_instr, "to");
|
|
return true;
|
|
}
|
|
ResultVal = B.createBindMemory(InstLoc, Val, IndexVal, EltTy);
|
|
break;
|
|
}
|
|
case SILInstructionKind::ObjectInst:
|
|
case SILInstructionKind::StructInst: {
|
|
SILType Ty;
|
|
if (parseSILType(Ty) ||
|
|
P.parseToken(tok::l_paren, diag::expected_tok_in_sil_instr, "("))
|
|
return true;
|
|
|
|
// Parse a list of SILValue.
|
|
bool OpsAreTailElems = false;
|
|
unsigned NumBaseElems = 0;
|
|
if (P.Tok.isNot(tok::r_paren)) {
|
|
do {
|
|
if (Opcode == SILInstructionKind::ObjectInst) {
|
|
if (parseSILOptional(OpsAreTailElems, *this, "tail_elems"))
|
|
return true;
|
|
}
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
OpList.push_back(Val);
|
|
if (!OpsAreTailElems)
|
|
NumBaseElems = OpList.size();
|
|
} while (P.consumeIf(tok::comma));
|
|
}
|
|
if (P.parseToken(tok::r_paren, diag::expected_tok_in_sil_instr, ")") ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (Opcode == SILInstructionKind::StructInst) {
|
|
ResultVal = B.createStruct(InstLoc, Ty, OpList);
|
|
} else {
|
|
ResultVal = B.createObject(InstLoc, Ty, OpList, NumBaseElems);
|
|
}
|
|
break;
|
|
}
|
|
case SILInstructionKind::StructElementAddrInst:
|
|
case SILInstructionKind::StructExtractInst: {
|
|
ValueDecl *FieldV;
|
|
SourceLoc NameLoc = P.Tok.getLoc();
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILDottedPath(FieldV) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
if (!FieldV || !isa<VarDecl>(FieldV)) {
|
|
P.diagnose(NameLoc, diag::sil_struct_inst_wrong_field);
|
|
return true;
|
|
}
|
|
VarDecl *Field = cast<VarDecl>(FieldV);
|
|
|
|
// FIXME: substitution means this type should be explicit to improve
|
|
// performance.
|
|
auto ResultTy = Val->getType().getFieldType(Field, SILMod,
|
|
B.getTypeExpansionContext());
|
|
if (Opcode == SILInstructionKind::StructElementAddrInst)
|
|
ResultVal = B.createStructElementAddr(InstLoc, Val, Field,
|
|
ResultTy.getAddressType());
|
|
else
|
|
ResultVal = B.createStructExtract(InstLoc, Val, Field,
|
|
ResultTy.getObjectType());
|
|
break;
|
|
}
|
|
case SILInstructionKind::RefElementAddrInst: {
|
|
ValueDecl *FieldV;
|
|
SourceLoc NameLoc;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILDottedPath(FieldV) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
if (!FieldV || !isa<VarDecl>(FieldV)) {
|
|
P.diagnose(NameLoc, diag::sil_ref_inst_wrong_field);
|
|
return true;
|
|
}
|
|
VarDecl *Field = cast<VarDecl>(FieldV);
|
|
auto ResultTy = Val->getType().getFieldType(Field, SILMod,
|
|
B.getTypeExpansionContext());
|
|
ResultVal = B.createRefElementAddr(InstLoc, Val, Field, ResultTy);
|
|
break;
|
|
}
|
|
case SILInstructionKind::RefTailAddrInst: {
|
|
SourceLoc NameLoc;
|
|
SILType ResultObjTy;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILType(ResultObjTy) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
SILType ResultTy = ResultObjTy.getAddressType();
|
|
ResultVal = B.createRefTailAddr(InstLoc, Val, ResultTy);
|
|
break;
|
|
}
|
|
case SILInstructionKind::IndexAddrInst: {
|
|
SILValue IndexVal;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseTypedValueRef(IndexVal, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createIndexAddr(InstLoc, Val, IndexVal);
|
|
break;
|
|
}
|
|
case SILInstructionKind::TailAddrInst: {
|
|
SILValue IndexVal;
|
|
SILType ResultObjTy;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseTypedValueRef(IndexVal, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILType(ResultObjTy) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
SILType ResultTy = ResultObjTy.getAddressType();
|
|
ResultVal = B.createTailAddr(InstLoc, Val, IndexVal, ResultTy);
|
|
break;
|
|
}
|
|
case SILInstructionKind::IndexRawPointerInst: {
|
|
SILValue IndexVal;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseTypedValueRef(IndexVal, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createIndexRawPointer(InstLoc, Val, IndexVal);
|
|
break;
|
|
}
|
|
case SILInstructionKind::ObjCProtocolInst: {
|
|
Identifier ProtocolName;
|
|
SILType Ty;
|
|
if (P.parseToken(tok::pound, diag::expected_sil_constant) ||
|
|
parseSILIdentifier(ProtocolName, diag::expected_sil_constant) ||
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":") ||
|
|
parseSILType(Ty) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
// Find the decl for the protocol name.
|
|
ValueDecl *VD;
|
|
SmallVector<ValueDecl *, 4> CurModuleResults;
|
|
// Perform a module level lookup on the first component of the
|
|
// fully-qualified name.
|
|
P.SF.getParentModule()->lookupValue(
|
|
ProtocolName, NLKind::UnqualifiedLookup, CurModuleResults);
|
|
assert(CurModuleResults.size() == 1);
|
|
VD = CurModuleResults[0];
|
|
ResultVal = B.createObjCProtocol(InstLoc, cast<ProtocolDecl>(VD), Ty);
|
|
break;
|
|
}
|
|
case SILInstructionKind::AllocGlobalInst: {
|
|
Identifier GlobalName;
|
|
SourceLoc IdLoc;
|
|
if (P.parseToken(tok::at_sign, diag::expected_sil_value_name) ||
|
|
parseSILIdentifier(GlobalName, IdLoc,
|
|
diag::expected_sil_value_name) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// Go through list of global variables in the SILModule.
|
|
SILGlobalVariable *global = SILMod.lookUpGlobalVariable(GlobalName.str());
|
|
if (!global) {
|
|
P.diagnose(IdLoc, diag::sil_global_variable_not_found, GlobalName);
|
|
return true;
|
|
}
|
|
|
|
ResultVal = B.createAllocGlobal(InstLoc, global);
|
|
break;
|
|
}
|
|
case SILInstructionKind::GlobalAddrInst:
|
|
case SILInstructionKind::GlobalValueInst: {
|
|
Identifier GlobalName;
|
|
SourceLoc IdLoc;
|
|
SILType Ty;
|
|
if (P.parseToken(tok::at_sign, diag::expected_sil_value_name) ||
|
|
parseSILIdentifier(GlobalName, IdLoc,
|
|
diag::expected_sil_value_name) ||
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":") ||
|
|
parseSILType(Ty) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// Go through list of global variables in the SILModule.
|
|
SILGlobalVariable *global = SILMod.lookUpGlobalVariable(GlobalName.str());
|
|
if (!global) {
|
|
P.diagnose(IdLoc, diag::sil_global_variable_not_found, GlobalName);
|
|
return true;
|
|
}
|
|
|
|
SILType expectedType = (Opcode == SILInstructionKind::GlobalAddrInst
|
|
? global->getLoweredType().getAddressType()
|
|
: global->getLoweredType());
|
|
if (expectedType != Ty) {
|
|
P.diagnose(IdLoc, diag::sil_value_use_type_mismatch, GlobalName.str(),
|
|
global->getLoweredType().getASTType(), Ty.getASTType());
|
|
return true;
|
|
}
|
|
|
|
if (Opcode == SILInstructionKind::GlobalAddrInst) {
|
|
ResultVal = B.createGlobalAddr(InstLoc, global);
|
|
} else {
|
|
ResultVal = B.createGlobalValue(InstLoc, global);
|
|
}
|
|
break;
|
|
}
|
|
case SILInstructionKind::SelectEnumInst:
|
|
case SILInstructionKind::SelectEnumAddrInst: {
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
|
|
SmallVector<std::pair<EnumElementDecl *, UnresolvedValueName>, 4>
|
|
CaseValueNames;
|
|
Optional<UnresolvedValueName> DefaultValueName;
|
|
while (P.consumeIf(tok::comma)) {
|
|
Identifier BBName;
|
|
SourceLoc BBLoc;
|
|
// Parse 'default' sil-value.
|
|
UnresolvedValueName tmp;
|
|
if (P.consumeIf(tok::kw_default)) {
|
|
if (parseValueName(tmp))
|
|
return true;
|
|
DefaultValueName = tmp;
|
|
break;
|
|
}
|
|
|
|
// Parse 'case' sil-decl-ref ':' sil-value.
|
|
if (P.consumeIf(tok::kw_case)) {
|
|
SILDeclRef ElemRef;
|
|
if (parseSILDeclRef(ElemRef))
|
|
return true;
|
|
assert(ElemRef.hasDecl() && isa<EnumElementDecl>(ElemRef.getDecl()));
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":");
|
|
parseValueName(tmp);
|
|
CaseValueNames.push_back(
|
|
std::make_pair(cast<EnumElementDecl>(ElemRef.getDecl()), tmp));
|
|
continue;
|
|
}
|
|
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "case or default");
|
|
return true;
|
|
}
|
|
|
|
// Parse the type of the result operands.
|
|
SILType ResultType;
|
|
if (P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":") ||
|
|
parseSILType(ResultType) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// Resolve the results.
|
|
SmallVector<std::pair<EnumElementDecl *, SILValue>, 4> CaseValues;
|
|
SILValue DefaultValue;
|
|
if (DefaultValueName)
|
|
DefaultValue = getLocalValue(*DefaultValueName, ResultType, InstLoc, B);
|
|
for (auto &caseName : CaseValueNames)
|
|
CaseValues.push_back(std::make_pair(
|
|
caseName.first,
|
|
getLocalValue(caseName.second, ResultType, InstLoc, B)));
|
|
|
|
if (Opcode == SILInstructionKind::SelectEnumInst)
|
|
ResultVal = B.createSelectEnum(InstLoc, Val, ResultType, DefaultValue,
|
|
CaseValues);
|
|
else
|
|
ResultVal = B.createSelectEnumAddr(InstLoc, Val, ResultType,
|
|
DefaultValue, CaseValues);
|
|
break;
|
|
}
|
|
|
|
case SILInstructionKind::SwitchEnumInst:
|
|
case SILInstructionKind::SwitchEnumAddrInst: {
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
|
|
SmallVector<std::pair<EnumElementDecl *, SILBasicBlock *>, 4> CaseBBs;
|
|
SILBasicBlock *DefaultBB = nullptr;
|
|
while (!peekSILDebugLocation(P) && P.consumeIf(tok::comma)) {
|
|
Identifier BBName;
|
|
SourceLoc BBLoc;
|
|
// Parse 'default' sil-identifier.
|
|
if (P.consumeIf(tok::kw_default)) {
|
|
parseSILIdentifier(BBName, BBLoc, diag::expected_sil_block_name);
|
|
DefaultBB = getBBForReference(BBName, BBLoc);
|
|
break;
|
|
}
|
|
|
|
// Parse 'case' sil-decl-ref ':' sil-identifier.
|
|
if (P.consumeIf(tok::kw_case)) {
|
|
SILDeclRef ElemRef;
|
|
if (parseSILDeclRef(ElemRef))
|
|
return true;
|
|
assert(ElemRef.hasDecl() && isa<EnumElementDecl>(ElemRef.getDecl()));
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":");
|
|
parseSILIdentifier(BBName, BBLoc, diag::expected_sil_block_name);
|
|
CaseBBs.push_back({cast<EnumElementDecl>(ElemRef.getDecl()),
|
|
getBBForReference(BBName, BBLoc)});
|
|
continue;
|
|
}
|
|
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "case or default");
|
|
return true;
|
|
}
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
if (Opcode == SILInstructionKind::SwitchEnumInst)
|
|
ResultVal = B.createSwitchEnum(InstLoc, Val, DefaultBB, CaseBBs);
|
|
else
|
|
ResultVal = B.createSwitchEnumAddr(InstLoc, Val, DefaultBB, CaseBBs);
|
|
break;
|
|
}
|
|
case SILInstructionKind::SwitchValueInst: {
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
|
|
SmallVector<std::pair<SILValue, SILBasicBlock *>, 4> CaseBBs;
|
|
SILBasicBlock *DefaultBB = nullptr;
|
|
while (!peekSILDebugLocation(P) && P.consumeIf(tok::comma)) {
|
|
Identifier BBName;
|
|
SourceLoc BBLoc;
|
|
SILValue CaseVal;
|
|
|
|
// Parse 'default' sil-identifier.
|
|
if (P.consumeIf(tok::kw_default)) {
|
|
parseSILIdentifier(BBName, BBLoc, diag::expected_sil_block_name);
|
|
DefaultBB = getBBForReference(BBName, BBLoc);
|
|
break;
|
|
}
|
|
|
|
// Parse 'case' value-ref ':' sil-identifier.
|
|
if (P.consumeIf(tok::kw_case)) {
|
|
if (parseValueRef(CaseVal, Val->getType(),
|
|
RegularLocation(P.Tok.getLoc()), B)) {
|
|
// TODO: Issue a proper error message here
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr,
|
|
"reference to a value");
|
|
return true;
|
|
}
|
|
|
|
auto intTy = Val->getType().getAs<BuiltinIntegerType>();
|
|
auto functionTy = Val->getType().getAs<SILFunctionType>();
|
|
if (!intTy && !functionTy) {
|
|
P.diagnose(P.Tok, diag::sil_integer_literal_not_integer_type);
|
|
return true;
|
|
}
|
|
|
|
if (intTy) {
|
|
// If it is a switch on an integer type, check that all case values
|
|
// are integer literals or undef.
|
|
if (!isa<SILUndef>(CaseVal)) {
|
|
auto *IL = dyn_cast<IntegerLiteralInst>(CaseVal);
|
|
if (!IL) {
|
|
P.diagnose(P.Tok, diag::sil_integer_literal_not_integer_type);
|
|
return true;
|
|
}
|
|
APInt CaseValue = IL->getValue();
|
|
|
|
if (CaseValue.getBitWidth() != intTy->getGreatestWidth())
|
|
CaseVal = B.createIntegerLiteral(
|
|
IL->getLoc(), Val->getType(),
|
|
CaseValue.zextOrTrunc(intTy->getGreatestWidth()));
|
|
}
|
|
}
|
|
|
|
if (functionTy) {
|
|
// If it is a switch on a function type, check that all case values
|
|
// are function references or undef.
|
|
if (!isa<SILUndef>(CaseVal)) {
|
|
auto *FR = dyn_cast<FunctionRefInst>(CaseVal);
|
|
if (!FR) {
|
|
if (auto *CF = dyn_cast<ConvertFunctionInst>(CaseVal)) {
|
|
FR = dyn_cast<FunctionRefInst>(CF->getOperand());
|
|
}
|
|
}
|
|
if (!FR) {
|
|
P.diagnose(P.Tok, diag::sil_integer_literal_not_integer_type);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":");
|
|
parseSILIdentifier(BBName, BBLoc, diag::expected_sil_block_name);
|
|
CaseBBs.push_back({CaseVal, getBBForReference(BBName, BBLoc)});
|
|
continue;
|
|
}
|
|
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "case or default");
|
|
return true;
|
|
}
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createSwitchValue(InstLoc, Val, DefaultBB, CaseBBs);
|
|
break;
|
|
}
|
|
case SILInstructionKind::SelectValueInst: {
|
|
if (parseTypedValueRef(Val, B))
|
|
return true;
|
|
|
|
SmallVector<std::pair<UnresolvedValueName, UnresolvedValueName>, 4>
|
|
CaseValueAndResultNames;
|
|
Optional<UnresolvedValueName> DefaultResultName;
|
|
while (P.consumeIf(tok::comma)) {
|
|
Identifier BBName;
|
|
SourceLoc BBLoc;
|
|
// Parse 'default' sil-value.
|
|
UnresolvedValueName tmp;
|
|
if (P.consumeIf(tok::kw_default)) {
|
|
if (parseValueName(tmp))
|
|
return true;
|
|
DefaultResultName = tmp;
|
|
break;
|
|
}
|
|
|
|
// Parse 'case' sil-decl-ref ':' sil-value.
|
|
if (P.consumeIf(tok::kw_case)) {
|
|
UnresolvedValueName casevalue;
|
|
parseValueName(casevalue);
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":");
|
|
parseValueName(tmp);
|
|
CaseValueAndResultNames.push_back(std::make_pair(casevalue, tmp));
|
|
continue;
|
|
}
|
|
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "case or default");
|
|
return true;
|
|
}
|
|
|
|
if (!DefaultResultName) {
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, "default");
|
|
return true;
|
|
}
|
|
|
|
// Parse the type of the result operands.
|
|
SILType ResultType;
|
|
if (P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":") ||
|
|
parseSILType(ResultType) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// Resolve the results.
|
|
SmallVector<std::pair<SILValue, SILValue>, 4> CaseValues;
|
|
SILValue DefaultValue;
|
|
if (DefaultResultName)
|
|
DefaultValue =
|
|
getLocalValue(*DefaultResultName, ResultType, InstLoc, B);
|
|
SILType ValType = Val->getType();
|
|
for (auto &caseName : CaseValueAndResultNames)
|
|
CaseValues.push_back(std::make_pair(
|
|
getLocalValue(caseName.first, ValType, InstLoc, B),
|
|
getLocalValue(caseName.second, ResultType, InstLoc, B)));
|
|
|
|
ResultVal = B.createSelectValue(InstLoc, Val, ResultType, DefaultValue,
|
|
CaseValues);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DeinitExistentialAddrInst: {
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createDeinitExistentialAddr(InstLoc, Val);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DeinitExistentialValueInst: {
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createDeinitExistentialValue(InstLoc, Val);
|
|
break;
|
|
}
|
|
case SILInstructionKind::InitExistentialAddrInst: {
|
|
CanType Ty;
|
|
SourceLoc TyLoc;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr, "$") ||
|
|
parseASTType(Ty, TyLoc) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// Lower the type at the abstraction level of the existential.
|
|
auto archetype = OpenedArchetypeType::get(Val->getType().getASTType())
|
|
->getCanonicalType();
|
|
|
|
auto &F = B.getFunction();
|
|
SILType LoweredTy =
|
|
F.getLoweredType(Lowering::AbstractionPattern(archetype), Ty)
|
|
.getAddressType();
|
|
|
|
// Collect conformances for the type.
|
|
ArrayRef<ProtocolConformanceRef> conformances =
|
|
collectExistentialConformances(P, Ty, TyLoc,
|
|
Val->getType().getASTType());
|
|
|
|
ResultVal = B.createInitExistentialAddr(InstLoc, Val, Ty, LoweredTy,
|
|
conformances);
|
|
break;
|
|
}
|
|
case SILInstructionKind::InitExistentialValueInst: {
|
|
CanType FormalConcreteTy;
|
|
SILType ExistentialTy;
|
|
SourceLoc TyLoc;
|
|
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr, "$") ||
|
|
parseASTType(FormalConcreteTy, TyLoc) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILType(ExistentialTy) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ArrayRef<ProtocolConformanceRef> conformances =
|
|
collectExistentialConformances(P, FormalConcreteTy, TyLoc,
|
|
ExistentialTy.getASTType());
|
|
|
|
ResultVal = B.createInitExistentialValue(
|
|
InstLoc, ExistentialTy, FormalConcreteTy, Val, conformances);
|
|
break;
|
|
}
|
|
case SILInstructionKind::AllocExistentialBoxInst: {
|
|
SILType ExistentialTy;
|
|
CanType ConcreteFormalTy;
|
|
SourceLoc TyLoc;
|
|
|
|
if (parseSILType(ExistentialTy) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr, "$") ||
|
|
parseASTType(ConcreteFormalTy, TyLoc) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// Collect conformances for the type.
|
|
ArrayRef<ProtocolConformanceRef> conformances =
|
|
collectExistentialConformances(P, ConcreteFormalTy, TyLoc,
|
|
ExistentialTy.getASTType());
|
|
|
|
ResultVal = B.createAllocExistentialBox(InstLoc, ExistentialTy,
|
|
ConcreteFormalTy, conformances);
|
|
|
|
break;
|
|
}
|
|
case SILInstructionKind::InitExistentialRefInst: {
|
|
CanType FormalConcreteTy;
|
|
SILType ExistentialTy;
|
|
SourceLoc TyLoc;
|
|
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":") ||
|
|
P.parseToken(tok::sil_dollar, diag::expected_tok_in_sil_instr, "$") ||
|
|
parseASTType(FormalConcreteTy, TyLoc) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILType(ExistentialTy) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ArrayRef<ProtocolConformanceRef> conformances =
|
|
collectExistentialConformances(P, FormalConcreteTy, TyLoc,
|
|
ExistentialTy.getASTType());
|
|
|
|
// FIXME: Conformances in InitExistentialRefInst is currently not included
|
|
// in SIL.rst.
|
|
ResultVal = B.createInitExistentialRef(
|
|
InstLoc, ExistentialTy, FormalConcreteTy, Val, conformances);
|
|
break;
|
|
}
|
|
case SILInstructionKind::InitExistentialMetatypeInst: {
|
|
SourceLoc TyLoc;
|
|
SILType ExistentialTy;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILType(ExistentialTy, TyLoc) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
auto baseExType = ExistentialTy.getASTType();
|
|
auto formalConcreteType = Val->getType().getASTType();
|
|
while (auto instExType = dyn_cast<ExistentialMetatypeType>(baseExType)) {
|
|
baseExType = instExType.getInstanceType();
|
|
formalConcreteType =
|
|
cast<MetatypeType>(formalConcreteType).getInstanceType();
|
|
}
|
|
|
|
ArrayRef<ProtocolConformanceRef> conformances =
|
|
collectExistentialConformances(P, formalConcreteType, TyLoc,
|
|
baseExType);
|
|
|
|
ResultVal = B.createInitExistentialMetatype(InstLoc, Val, ExistentialTy,
|
|
conformances);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DynamicMethodBranchInst: {
|
|
SILDeclRef Member;
|
|
Identifier BBName, BBName2;
|
|
SourceLoc NameLoc, NameLoc2;
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILDeclRef(Member) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILIdentifier(BBName, NameLoc, diag::expected_sil_block_name) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILIdentifier(BBName2, NameLoc2,
|
|
diag::expected_sil_block_name) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createDynamicMethodBranch(
|
|
InstLoc, Val, Member, getBBForReference(BBName, NameLoc),
|
|
getBBForReference(BBName2, NameLoc2));
|
|
break;
|
|
}
|
|
case SILInstructionKind::ProjectBlockStorageInst: {
|
|
if (parseTypedValueRef(Val, B) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
ResultVal = B.createProjectBlockStorage(InstLoc, Val);
|
|
break;
|
|
}
|
|
case SILInstructionKind::InitBlockStorageHeaderInst: {
|
|
Identifier invoke, type;
|
|
SourceLoc invokeLoc, typeLoc;
|
|
|
|
UnresolvedValueName invokeName;
|
|
SILType invokeTy;
|
|
GenericEnvironment *invokeGenericEnv;
|
|
|
|
SILType blockType;
|
|
SmallVector<ParsedSubstitution, 4> parsedSubs;
|
|
|
|
if (parseTypedValueRef(Val, B) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILIdentifier(invoke, invokeLoc, diag::expected_tok_in_sil_instr,
|
|
"invoke") ||
|
|
parseValueName(invokeName) || parseSubstitutions(parsedSubs) ||
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":") ||
|
|
parseSILType(invokeTy, invokeGenericEnv) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseSILIdentifier(type, typeLoc, diag::expected_tok_in_sil_instr,
|
|
"type") ||
|
|
parseSILType(blockType) || parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
if (invoke.str() != "invoke") {
|
|
P.diagnose(invokeLoc, diag::expected_tok_in_sil_instr, "invoke");
|
|
return true;
|
|
}
|
|
if (type.str() != "type") {
|
|
P.diagnose(invokeLoc, diag::expected_tok_in_sil_instr, "type");
|
|
return true;
|
|
}
|
|
|
|
auto invokeVal = getLocalValue(invokeName, invokeTy, InstLoc, B);
|
|
|
|
SubstitutionMap subMap;
|
|
if (!parsedSubs.empty()) {
|
|
if (!invokeGenericEnv) {
|
|
P.diagnose(typeLoc, diag::sil_substitutions_on_non_polymorphic_type);
|
|
return true;
|
|
}
|
|
|
|
subMap = getApplySubstitutionsFromParsed(*this, invokeGenericEnv,
|
|
parsedSubs);
|
|
if (!subMap)
|
|
return true;
|
|
}
|
|
|
|
ResultVal = B.createInitBlockStorageHeader(InstLoc, Val, invokeVal,
|
|
blockType, subMap);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DifferentiableFunctionInst: {
|
|
// e.g. differentiable_function [parameters 0 1 2] %0 : $T
|
|
//
|
|
// e.g. differentiable_function [parameters 0 1 2] %0 : $T with_derivative
|
|
// {%1 : $T, %2 : $T}
|
|
// ^~ jvp ^~ vjp
|
|
// Parse `[parameters <integer_literal>...]`.
|
|
SmallVector<unsigned, 8> parameterIndices;
|
|
if (parseIndexList(P, "parameters", parameterIndices,
|
|
diag::sil_autodiff_expected_parameter_index))
|
|
return true;
|
|
// Parse the original function value.
|
|
SILValue original;
|
|
SourceLoc originalOperandLoc;
|
|
if (parseTypedValueRef(original, originalOperandLoc, B))
|
|
return true;
|
|
auto fnType = original->getType().getAs<SILFunctionType>();
|
|
if (!fnType) {
|
|
P.diagnose(originalOperandLoc,
|
|
diag::sil_inst_autodiff_expected_function_type_operand);
|
|
return true;
|
|
}
|
|
Optional<std::pair<SILValue, SILValue>> derivativeFunctions = None;
|
|
// Parse an optional operand list
|
|
// `with_derivative { <operand> , <operand> }`.
|
|
if (P.Tok.is(tok::identifier) && P.Tok.getText() == "with_derivative") {
|
|
P.consumeToken(tok::identifier);
|
|
// Parse derivative function values as an operand list.
|
|
// FIXME(rxwei): Change this to *not* require a type signature once
|
|
// we can infer derivative function types.
|
|
derivativeFunctions = std::make_pair(SILValue(), SILValue());
|
|
if (P.parseToken(
|
|
tok::l_brace,
|
|
diag::sil_inst_autodiff_operand_list_expected_lbrace) ||
|
|
parseTypedValueRef(derivativeFunctions->first, B) ||
|
|
P.parseToken(tok::comma,
|
|
diag::sil_inst_autodiff_operand_list_expected_comma) ||
|
|
parseTypedValueRef(derivativeFunctions->second, B) ||
|
|
P.parseToken(tok::r_brace,
|
|
diag::sil_inst_autodiff_operand_list_expected_rbrace))
|
|
return true;
|
|
}
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
auto *parameterIndicesSubset = IndexSubset::get(
|
|
P.Context, fnType->getNumParameters(), parameterIndices);
|
|
ResultVal = B.createDifferentiableFunction(
|
|
InstLoc, parameterIndicesSubset, original, derivativeFunctions);
|
|
break;
|
|
}
|
|
case SILInstructionKind::LinearFunctionInst: {
|
|
// e.g. linear_function [parameters 0 1 2] %0 : $T
|
|
// e.g. linear_function [parameters 0 1 2] %0 : $T with_transpose %1 : $T
|
|
// Parse `[parameters <integer_literal>...]`.
|
|
SmallVector<unsigned, 8> parameterIndices;
|
|
if (parseIndexList(P, "parameters", parameterIndices,
|
|
diag::sil_autodiff_expected_parameter_index))
|
|
return true;
|
|
// Parse the original function value.
|
|
SILValue original;
|
|
SourceLoc originalOperandLoc;
|
|
if (parseTypedValueRef(original, originalOperandLoc, B))
|
|
return true;
|
|
auto fnType = original->getType().getAs<SILFunctionType>();
|
|
if (!fnType) {
|
|
P.diagnose(originalOperandLoc,
|
|
diag::sil_inst_autodiff_expected_function_type_operand);
|
|
return true;
|
|
}
|
|
// Parse an optional transpose function.
|
|
Optional<SILValue> transpose = None;
|
|
if (P.Tok.is(tok::identifier) && P.Tok.getText() == "with_transpose") {
|
|
P.consumeToken(tok::identifier);
|
|
transpose = SILValue();
|
|
if (parseTypedValueRef(*transpose, B))
|
|
return true;
|
|
}
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
auto *parameterIndicesSubset = IndexSubset::get(
|
|
P.Context, fnType->getNumParameters(), parameterIndices);
|
|
ResultVal = B.createLinearFunction(
|
|
InstLoc, parameterIndicesSubset, original, transpose);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DifferentiableFunctionExtractInst: {
|
|
// Parse the rest of the instruction: an extractee, a differentiable
|
|
// function operand, an optional explicit extractee type, and a debug
|
|
// location.
|
|
NormalDifferentiableFunctionTypeComponent extractee;
|
|
StringRef extracteeNames[3] = {"original", "jvp", "vjp"};
|
|
SILValue functionOperand;
|
|
SourceLoc lastLoc;
|
|
if (P.parseToken(
|
|
tok::l_square,
|
|
diag::sil_inst_autodiff_expected_differentiable_extractee_kind) ||
|
|
parseSILIdentifierSwitch(
|
|
extractee, extracteeNames,
|
|
diag::sil_inst_autodiff_expected_differentiable_extractee_kind) ||
|
|
P.parseToken(tok::r_square, diag::sil_autodiff_expected_rsquare,
|
|
"extractee kind"))
|
|
return true;
|
|
if (parseTypedValueRef(functionOperand, B))
|
|
return true;
|
|
// Parse an optional explicit extractee type.
|
|
Optional<SILType> extracteeType = None;
|
|
if (P.consumeIf(tok::kw_as)) {
|
|
extracteeType = SILType();
|
|
if (parseSILType(*extracteeType))
|
|
return true;
|
|
}
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createDifferentiableFunctionExtract(
|
|
InstLoc, extractee, functionOperand, extracteeType);
|
|
break;
|
|
}
|
|
case SILInstructionKind::LinearFunctionExtractInst: {
|
|
// Parse the rest of the instruction: an extractee, a linear function
|
|
// operand, and a debug location.
|
|
LinearDifferentiableFunctionTypeComponent extractee;
|
|
StringRef extracteeNames[2] = {"original", "transpose"};
|
|
SILValue functionOperand;
|
|
SourceLoc lastLoc;
|
|
if (P.parseToken(tok::l_square,
|
|
diag::sil_inst_autodiff_expected_linear_extractee_kind) ||
|
|
parseSILIdentifierSwitch(extractee, extracteeNames,
|
|
diag::sil_inst_autodiff_expected_linear_extractee_kind) ||
|
|
P.parseToken(tok::r_square, diag::sil_autodiff_expected_rsquare,
|
|
"extractee kind"))
|
|
return true;
|
|
if (parseTypedValueRef(functionOperand, B) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
ResultVal = B.createLinearFunctionExtract(
|
|
InstLoc, extractee, functionOperand);
|
|
break;
|
|
}
|
|
case SILInstructionKind::DifferentiabilityWitnessFunctionInst: {
|
|
// e.g. differentiability_witness_function
|
|
// [jvp] [parameters 0 1] [results 0] <T where T: Differentiable>
|
|
// @foo : <T> $(T) -> T
|
|
DifferentiabilityWitnessFunctionKind witnessKind;
|
|
StringRef witnessKindNames[3] = {"jvp", "vjp", "transpose"};
|
|
if (P.parseToken(
|
|
tok::l_square,
|
|
diag::
|
|
sil_inst_autodiff_expected_differentiability_witness_kind) ||
|
|
parseSILIdentifierSwitch(
|
|
witnessKind, witnessKindNames,
|
|
diag::
|
|
sil_inst_autodiff_expected_differentiability_witness_kind) ||
|
|
P.parseToken(tok::r_square, diag::sil_autodiff_expected_rsquare,
|
|
"differentiability witness function kind"))
|
|
return true;
|
|
SourceLoc keyStartLoc = P.Tok.getLoc();
|
|
auto configAndFn =
|
|
parseSILDifferentiabilityWitnessConfigAndFunction(P, *this, InstLoc);
|
|
if (!configAndFn)
|
|
return true;
|
|
auto config = configAndFn->first;
|
|
auto originalFn = configAndFn->second;
|
|
auto *witness = SILMod.lookUpDifferentiabilityWitness(
|
|
{originalFn->getName(), config});
|
|
if (!witness) {
|
|
P.diagnose(keyStartLoc, diag::sil_diff_witness_undefined);
|
|
return true;
|
|
}
|
|
// Parse an optional explicit function type.
|
|
Optional<SILType> functionType = None;
|
|
if (P.consumeIf(tok::kw_as)) {
|
|
functionType = SILType();
|
|
if (parseSILType(*functionType))
|
|
return true;
|
|
}
|
|
ResultVal = B.createDifferentiabilityWitnessFunction(
|
|
InstLoc, witnessKind, witness, functionType);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// sil-instruction-result ::= sil-value-name '='
|
|
/// sil-instruction-result ::= '(' sil-value-name? ')'
|
|
/// sil-instruction-result ::= '(' sil-value-name (',' sil-value-name)* ')'
|
|
/// sil-instruction-source-info ::= (',' sil-scope-ref)? (',' sil-loc)?
|
|
/// sil-instruction-def ::=
|
|
/// (sil-instruction-result '=')? sil-instruction sil-instruction-source-info
|
|
bool SILParser::parseSILInstruction(SILBuilder &B) {
|
|
// We require SIL instructions to be at the start of a line to assist
|
|
// recovery.
|
|
if (!P.Tok.isAtStartOfLine()) {
|
|
P.diagnose(P.Tok, diag::expected_sil_instr_start_of_line);
|
|
return true;
|
|
}
|
|
|
|
SmallVector<Located<StringRef>, 4> resultNames;
|
|
SourceLoc resultClauseBegin;
|
|
|
|
// If the instruction has a name '%foo =', parse it.
|
|
if (P.Tok.is(tok::sil_local_name)) {
|
|
resultClauseBegin = P.Tok.getLoc();
|
|
resultNames.push_back({P.Tok.getText(), P.Tok.getLoc()});
|
|
P.consumeToken(tok::sil_local_name);
|
|
|
|
// If the instruction has a '(%foo, %bar) = ', parse it.
|
|
} else if (P.consumeIf(tok::l_paren)) {
|
|
resultClauseBegin = P.PreviousLoc;
|
|
|
|
if (!P.consumeIf(tok::r_paren)) {
|
|
while (true) {
|
|
if (!P.Tok.is(tok::sil_local_name)) {
|
|
P.diagnose(P.Tok, diag::expected_sil_value_name);
|
|
return true;
|
|
}
|
|
|
|
resultNames.push_back({P.Tok.getText(), P.Tok.getLoc()});
|
|
P.consumeToken(tok::sil_local_name);
|
|
|
|
if (P.consumeIf(tok::comma))
|
|
continue;
|
|
if (P.consumeIf(tok::r_paren))
|
|
break;
|
|
|
|
P.diagnose(P.Tok, diag::expected_tok_in_sil_instr, ",");
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (resultClauseBegin.isValid()) {
|
|
if (P.parseToken(tok::equal, diag::expected_equal_in_sil_instr))
|
|
return true;
|
|
}
|
|
|
|
SILInstructionKind Opcode;
|
|
SourceLoc OpcodeLoc;
|
|
StringRef OpcodeName;
|
|
|
|
// Parse the opcode name.
|
|
if (parseSILOpcode(Opcode, OpcodeLoc, OpcodeName))
|
|
return true;
|
|
|
|
// Perform opcode specific parsing.
|
|
SILInstruction *ResultVal;
|
|
if (parseSpecificSILInstruction(B, Opcode, OpcodeLoc, OpcodeName, ResultVal))
|
|
return true;
|
|
|
|
// Match the results clause if we had one.
|
|
if (resultClauseBegin.isValid()) {
|
|
auto results = ResultVal->getResults();
|
|
if (results.size() != resultNames.size()) {
|
|
P.diagnose(resultClauseBegin, diag::wrong_result_count_in_sil_instr,
|
|
results.size());
|
|
} else {
|
|
for (size_t i : indices(results)) {
|
|
setLocalValue(results[i], resultNames[i].Item, resultNames[i].Loc);
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool SILParser::parseCallInstruction(SILLocation InstLoc,
|
|
SILInstructionKind Opcode, SILBuilder &B,
|
|
SILInstruction *&ResultVal) {
|
|
UnresolvedValueName FnName;
|
|
SmallVector<UnresolvedValueName, 4> ArgNames;
|
|
|
|
auto PartialApplyConvention = ParameterConvention::Direct_Owned;
|
|
bool IsNonThrowingApply = false;
|
|
bool IsNoEscape = false;
|
|
StringRef AttrName;
|
|
|
|
while (parseSILOptional(AttrName, *this)) {
|
|
if (AttrName.equals("nothrow"))
|
|
IsNonThrowingApply = true;
|
|
else if (AttrName.equals("callee_guaranteed"))
|
|
PartialApplyConvention = ParameterConvention::Direct_Guaranteed;
|
|
else if (AttrName.equals("on_stack"))
|
|
IsNoEscape = true;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
if (parseValueName(FnName))
|
|
return true;
|
|
SmallVector<ParsedSubstitution, 4> parsedSubs;
|
|
if (parseSubstitutions(parsedSubs))
|
|
return true;
|
|
|
|
if (P.parseToken(tok::l_paren, diag::expected_tok_in_sil_instr, "("))
|
|
return true;
|
|
|
|
if (P.Tok.isNot(tok::r_paren)) {
|
|
do {
|
|
UnresolvedValueName Arg;
|
|
if (parseValueName(Arg)) return true;
|
|
ArgNames.push_back(Arg);
|
|
} while (P.consumeIf(tok::comma));
|
|
}
|
|
|
|
SILType Ty;
|
|
SourceLoc TypeLoc;
|
|
GenericEnvironment *GenericEnv = nullptr;
|
|
if (P.parseToken(tok::r_paren, diag::expected_tok_in_sil_instr, ")") ||
|
|
P.parseToken(tok::colon, diag::expected_tok_in_sil_instr, ":") ||
|
|
parseSILType(Ty, TypeLoc, GenericEnv))
|
|
return true;
|
|
|
|
auto FTI = Ty.getAs<SILFunctionType>();
|
|
if (!FTI) {
|
|
P.diagnose(TypeLoc, diag::expected_sil_type_kind, "be a function");
|
|
return true;
|
|
}
|
|
|
|
SubstitutionMap subs;
|
|
if (!parsedSubs.empty()) {
|
|
if (!GenericEnv) {
|
|
P.diagnose(TypeLoc, diag::sil_substitutions_on_non_polymorphic_type);
|
|
return true;
|
|
}
|
|
subs = getApplySubstitutionsFromParsed(*this, GenericEnv, parsedSubs);
|
|
if (!subs)
|
|
return true;
|
|
}
|
|
|
|
SILValue FnVal = getLocalValue(FnName, Ty, InstLoc, B);
|
|
|
|
SILType FnTy = FnVal->getType();
|
|
CanSILFunctionType substFTI = FTI;
|
|
if (!subs.empty()) {
|
|
auto silFnTy = FnTy.castTo<SILFunctionType>();
|
|
substFTI =
|
|
silFnTy->substGenericArgs(SILMod, subs, B.getTypeExpansionContext());
|
|
FnTy = SILType::getPrimitiveObjectType(substFTI);
|
|
}
|
|
SILFunctionConventions substConv(substFTI, B.getModule());
|
|
|
|
// Validate the operand count.
|
|
if (substConv.getNumSILArguments() != ArgNames.size() &&
|
|
Opcode != SILInstructionKind::PartialApplyInst) {
|
|
P.diagnose(TypeLoc, diag::expected_sil_type_kind,
|
|
"to have the same number of arg names as arg types");
|
|
return true;
|
|
}
|
|
|
|
// Validate the coroutine kind.
|
|
if (Opcode == SILInstructionKind::ApplyInst ||
|
|
Opcode == SILInstructionKind::TryApplyInst) {
|
|
if (FTI->getCoroutineKind() != SILCoroutineKind::None) {
|
|
P.diagnose(TypeLoc, diag::expected_sil_type_kind,
|
|
"to not be a coroutine");
|
|
return true;
|
|
}
|
|
} else if (Opcode == SILInstructionKind::BeginApplyInst) {
|
|
if (FTI->getCoroutineKind() != SILCoroutineKind::YieldOnce) {
|
|
P.diagnose(TypeLoc, diag::expected_sil_type_kind,
|
|
"to be a yield_once coroutine");
|
|
return true;
|
|
}
|
|
} else {
|
|
assert(Opcode == SILInstructionKind::PartialApplyInst);
|
|
// partial_apply accepts all kinds of function
|
|
}
|
|
|
|
switch (Opcode) {
|
|
default: llvm_unreachable("Unexpected case");
|
|
case SILInstructionKind::ApplyInst : {
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
unsigned ArgNo = 0;
|
|
SmallVector<SILValue, 4> Args;
|
|
for (auto &ArgName : ArgNames) {
|
|
SILType expectedTy = substConv.getSILArgumentType(ArgNo++);
|
|
Args.push_back(getLocalValue(ArgName, expectedTy, InstLoc, B));
|
|
}
|
|
|
|
ResultVal = B.createApply(InstLoc, FnVal, subs, Args, IsNonThrowingApply);
|
|
break;
|
|
}
|
|
case SILInstructionKind::BeginApplyInst: {
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
unsigned ArgNo = 0;
|
|
SmallVector<SILValue, 4> Args;
|
|
for (auto &ArgName : ArgNames) {
|
|
SILType expectedTy = substConv.getSILArgumentType(ArgNo++);
|
|
Args.push_back(getLocalValue(ArgName, expectedTy, InstLoc, B));
|
|
}
|
|
|
|
ResultVal =
|
|
B.createBeginApply(InstLoc, FnVal, subs, Args, IsNonThrowingApply);
|
|
break;
|
|
}
|
|
case SILInstructionKind::PartialApplyInst: {
|
|
if (parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
// Compute the result type of the partial_apply, based on which arguments
|
|
// are getting applied.
|
|
SmallVector<SILValue, 4> Args;
|
|
unsigned ArgNo = substConv.getNumSILArguments() - ArgNames.size();
|
|
for (auto &ArgName : ArgNames) {
|
|
SILType expectedTy = substConv.getSILArgumentType(ArgNo++);
|
|
Args.push_back(getLocalValue(ArgName, expectedTy, InstLoc, B));
|
|
}
|
|
|
|
// FIXME: Why the arbitrary order difference in IRBuilder type argument?
|
|
ResultVal = B.createPartialApply(
|
|
InstLoc, FnVal, subs, Args, PartialApplyConvention,
|
|
IsNoEscape ? PartialApplyInst::OnStackKind::OnStack
|
|
: PartialApplyInst::OnStackKind::NotOnStack);
|
|
break;
|
|
}
|
|
case SILInstructionKind::TryApplyInst: {
|
|
Identifier normalBBName, errorBBName;
|
|
SourceLoc normalBBLoc, errorBBLoc;
|
|
if (P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseVerbatim("normal") ||
|
|
parseSILIdentifier(normalBBName, normalBBLoc,
|
|
diag::expected_sil_block_name) ||
|
|
P.parseToken(tok::comma, diag::expected_tok_in_sil_instr, ",") ||
|
|
parseVerbatim("error") ||
|
|
parseSILIdentifier(errorBBName, errorBBLoc,
|
|
diag::expected_sil_block_name) ||
|
|
parseSILDebugLocation(InstLoc, B))
|
|
return true;
|
|
|
|
unsigned argNo = 0;
|
|
SmallVector<SILValue, 4> args;
|
|
for (auto &argName : ArgNames) {
|
|
SILType expectedTy = substConv.getSILArgumentType(argNo++);
|
|
args.push_back(getLocalValue(argName, expectedTy, InstLoc, B));
|
|
}
|
|
|
|
SILBasicBlock *normalBB = getBBForReference(normalBBName, normalBBLoc);
|
|
SILBasicBlock *errorBB = getBBForReference(errorBBName, errorBBLoc);
|
|
ResultVal = B.createTryApply(InstLoc, FnVal, subs, args, normalBB, errorBB);
|
|
break;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool SILParser::parseSILFunctionRef(SILLocation InstLoc,
|
|
SILFunction *&ResultFn) {
|
|
Identifier Name;
|
|
SILType Ty;
|
|
SourceLoc Loc = P.Tok.getLoc();
|
|
if (parseGlobalName(Name) ||
|
|
P.parseToken(tok::colon, diag::expected_sil_colon_value_ref) ||
|
|
parseSILType(Ty))
|
|
return true;
|
|
|
|
auto FnTy = Ty.getAs<SILFunctionType>();
|
|
if (!FnTy || !Ty.isObject()) {
|
|
P.diagnose(Loc, diag::expected_sil_function_type);
|
|
return true;
|
|
}
|
|
|
|
ResultFn = getGlobalNameForReference(Name, FnTy, Loc);
|
|
return false;
|
|
}
|
|
|
|
/// True if the current token sequence looks like the start of a SIL
|
|
/// instruction. This can be one of:
|
|
///
|
|
/// 1. %name
|
|
/// 2. ()
|
|
/// 3. (%name1
|
|
/// 4. identifier | keyword
|
|
/// where the identifier is not followed by a ':' or '(', or it is
|
|
/// followed by '(' and is an instruction name. The exceptions here
|
|
/// are for recognizing block names.
|
|
bool SILParser::isStartOfSILInstruction() {
|
|
if (P.Tok.is(tok::sil_local_name))
|
|
return true;
|
|
if (P.Tok.is(tok::l_paren) &&
|
|
(P.peekToken().is(tok::sil_local_name) || P.peekToken().is(tok::r_paren)))
|
|
return true;
|
|
if (P.Tok.is(tok::identifier) || P.Tok.isKeyword()) {
|
|
auto &peek = P.peekToken();
|
|
if (peek.is(tok::l_paren))
|
|
return getOpcodeByName(P.Tok.getText()).hasValue();
|
|
return !peek.is(tok::colon);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// sil-basic-block:
|
|
/// sil-instruction+
|
|
/// identifier sil-bb-argument-list? ':' sil-instruction+
|
|
/// sil-bb-argument-list:
|
|
/// '(' sil-typed-valueref (',' sil-typed-valueref)+ ')'
|
|
bool SILParser::parseSILBasicBlock(SILBuilder &B) {
|
|
SILBasicBlock *BB;
|
|
|
|
// The basic block name is optional.
|
|
if (P.Tok.is(tok::sil_local_name)) {
|
|
BB = getBBForDefinition(Identifier(), SourceLoc());
|
|
} else {
|
|
Identifier BBName;
|
|
SourceLoc NameLoc;
|
|
if (parseSILIdentifier(BBName, NameLoc, diag::expected_sil_block_name))
|
|
return true;
|
|
|
|
BB = getBBForDefinition(BBName, NameLoc);
|
|
// For now, since we always assume that PhiArguments have
|
|
// ValueOwnershipKind::None, do not parse or do anything special. Eventually
|
|
// we will parse the convention.
|
|
bool IsEntry = BB->isEntry();
|
|
|
|
// If there is a basic block argument list, process it.
|
|
if (P.consumeIf(tok::l_paren)) {
|
|
do {
|
|
SILType Ty;
|
|
ValueOwnershipKind OwnershipKind = ValueOwnershipKind::None;
|
|
SourceLoc NameLoc;
|
|
StringRef Name = P.Tok.getText();
|
|
if (P.parseToken(tok::sil_local_name, NameLoc,
|
|
diag::expected_sil_value_name) ||
|
|
P.parseToken(tok::colon, diag::expected_sil_colon_value_ref))
|
|
return true;
|
|
|
|
// If SILOwnership is enabled and we are not assuming that we are
|
|
// parsing unqualified SIL, look for printed value ownership kinds.
|
|
if (F->hasOwnership() &&
|
|
parseSILOwnership(OwnershipKind))
|
|
return true;
|
|
|
|
if (parseSILType(Ty))
|
|
return true;
|
|
|
|
SILArgument *Arg;
|
|
if (IsEntry) {
|
|
Arg = BB->createFunctionArgument(Ty);
|
|
// Today, we construct the ownership kind straight from the function
|
|
// type. Make sure they are in sync, otherwise bail. We want this to
|
|
// be an exact check rather than a compatibility check since we do not
|
|
// want incompatibilities in between @any and other types of ownership
|
|
// to be ignored.
|
|
if (F->hasOwnership() && Arg->getOwnershipKind() != OwnershipKind) {
|
|
auto diagID =
|
|
diag::silfunc_and_silarg_have_incompatible_sil_value_ownership;
|
|
P.diagnose(NameLoc, diagID, Arg->getOwnershipKind().asString(),
|
|
OwnershipKind.asString());
|
|
return true;
|
|
}
|
|
} else {
|
|
Arg = BB->createPhiArgument(Ty, OwnershipKind);
|
|
}
|
|
setLocalValue(Arg, Name, NameLoc);
|
|
} while (P.consumeIf(tok::comma));
|
|
|
|
if (P.parseToken(tok::r_paren, diag::sil_basicblock_arg_rparen))
|
|
return true;
|
|
}
|
|
|
|
if (P.parseToken(tok::colon, diag::expected_sil_block_colon))
|
|
return true;
|
|
}
|
|
|
|
// Make sure the block is at the end of the function so that forward
|
|
// references don't affect block layout.
|
|
F->getBlocks().remove(BB);
|
|
F->getBlocks().push_back(BB);
|
|
|
|
B.setInsertionPoint(BB);
|
|
do {
|
|
if (parseSILInstruction(B))
|
|
return true;
|
|
} while (isStartOfSILInstruction());
|
|
|
|
return false;
|
|
}
|
|
|
|
/// decl-sil: [[only in SIL mode]]
|
|
/// 'sil' sil-linkage '@' identifier ':' sil-type decl-sil-body?
|
|
/// decl-sil-body:
|
|
/// '{' sil-basic-block+ '}'
|
|
bool SILParserTUState::parseDeclSIL(Parser &P) {
|
|
// Inform the lexer that we're lexing the body of the SIL declaration. Do
|
|
// this before we consume the 'sil' token so that all later tokens are
|
|
// properly handled.
|
|
Lexer::SILBodyRAII Tmp(*P.L);
|
|
|
|
P.consumeToken(tok::kw_sil);
|
|
|
|
SILParser FunctionState(P);
|
|
|
|
Optional<SILLinkage> FnLinkage;
|
|
Identifier FnName;
|
|
SILType FnType;
|
|
SourceLoc FnNameLoc;
|
|
|
|
Scope S(&P, ScopeKind::TopLevel);
|
|
bool isTransparent = false;
|
|
IsSerialized_t isSerialized = IsNotSerialized;
|
|
bool isCanonical = false;
|
|
IsDynamicallyReplaceable_t isDynamic = IsNotDynamic;
|
|
IsExactSelfClass_t isExactSelfClass = IsNotExactSelfClass;
|
|
bool hasOwnershipSSA = false;
|
|
IsThunk_t isThunk = IsNotThunk;
|
|
SILFunction::Purpose specialPurpose = SILFunction::Purpose::None;
|
|
bool isWeakImported = false;
|
|
AvailabilityContext availability = AvailabilityContext::alwaysAvailable();
|
|
bool isWithoutActuallyEscapingThunk = false;
|
|
Inline_t inlineStrategy = InlineDefault;
|
|
OptimizationMode optimizationMode = OptimizationMode::NotSet;
|
|
SmallVector<std::string, 1> Semantics;
|
|
SmallVector<ParsedSpecAttr, 4> SpecAttrs;
|
|
ValueDecl *ClangDecl = nullptr;
|
|
EffectsKind MRK = EffectsKind::Unspecified;
|
|
SILFunction *DynamicallyReplacedFunction = nullptr;
|
|
Identifier objCReplacementFor;
|
|
if (parseSILLinkage(FnLinkage, P) ||
|
|
parseDeclSILOptional(
|
|
&isTransparent, &isSerialized, &isCanonical, &hasOwnershipSSA,
|
|
&isThunk, &isDynamic, &isExactSelfClass, &DynamicallyReplacedFunction,
|
|
&objCReplacementFor, &specialPurpose, &inlineStrategy,
|
|
&optimizationMode, nullptr, &isWeakImported, &availability,
|
|
&isWithoutActuallyEscapingThunk, &Semantics,
|
|
&SpecAttrs, &ClangDecl, &MRK, FunctionState, M) ||
|
|
P.parseToken(tok::at_sign, diag::expected_sil_function_name) ||
|
|
P.parseIdentifier(FnName, FnNameLoc, diag::expected_sil_function_name) ||
|
|
P.parseToken(tok::colon, diag::expected_sil_type))
|
|
return true;
|
|
{
|
|
// Construct a Scope for the function body so TypeAliasDecl can be added to
|
|
// the scope.
|
|
Scope Body(&P, ScopeKind::FunctionBody);
|
|
GenericEnvironment *GenericEnv;
|
|
if (FunctionState.parseSILType(FnType, GenericEnv, true /*IsFuncDecl*/))
|
|
return true;
|
|
auto SILFnType = FnType.getAs<SILFunctionType>();
|
|
if (!SILFnType || !FnType.isObject()) {
|
|
P.diagnose(FnNameLoc, diag::expected_sil_function_type);
|
|
return true;
|
|
}
|
|
|
|
FunctionState.F =
|
|
FunctionState.getGlobalNameForDefinition(FnName, SILFnType, FnNameLoc);
|
|
FunctionState.F->setBare(IsBare);
|
|
FunctionState.F->setTransparent(IsTransparent_t(isTransparent));
|
|
FunctionState.F->setSerialized(IsSerialized_t(isSerialized));
|
|
FunctionState.F->setWasDeserializedCanonical(isCanonical);
|
|
if (!hasOwnershipSSA)
|
|
FunctionState.F->setOwnershipEliminated();
|
|
FunctionState.F->setThunk(IsThunk_t(isThunk));
|
|
FunctionState.F->setIsDynamic(isDynamic);
|
|
FunctionState.F->setIsExactSelfClass(isExactSelfClass);
|
|
FunctionState.F->setDynamicallyReplacedFunction(
|
|
DynamicallyReplacedFunction);
|
|
if (!objCReplacementFor.empty())
|
|
FunctionState.F->setObjCReplacement(objCReplacementFor);
|
|
FunctionState.F->setSpecialPurpose(specialPurpose);
|
|
FunctionState.F->setAlwaysWeakImported(isWeakImported);
|
|
FunctionState.F->setAvailabilityForLinkage(availability);
|
|
FunctionState.F->setWithoutActuallyEscapingThunk(
|
|
isWithoutActuallyEscapingThunk);
|
|
FunctionState.F->setInlineStrategy(inlineStrategy);
|
|
FunctionState.F->setOptimizationMode(optimizationMode);
|
|
FunctionState.F->setEffectsKind(MRK);
|
|
if (ClangDecl)
|
|
FunctionState.F->setClangNodeOwner(ClangDecl);
|
|
for (auto &Attr : Semantics) {
|
|
FunctionState.F->addSemanticsAttr(Attr);
|
|
}
|
|
// Now that we have a SILFunction parse the body, if present.
|
|
|
|
bool isDefinition = false;
|
|
SourceLoc LBraceLoc = P.Tok.getLoc();
|
|
|
|
if (P.consumeIf(tok::l_brace)) {
|
|
isDefinition = true;
|
|
|
|
FunctionState.ContextGenericEnv = GenericEnv;
|
|
FunctionState.F->setGenericEnvironment(GenericEnv);
|
|
|
|
if (GenericEnv && !SpecAttrs.empty()) {
|
|
for (auto &Attr : SpecAttrs) {
|
|
SmallVector<Requirement, 2> requirements;
|
|
// Resolve types and convert requirements.
|
|
FunctionState.convertRequirements(FunctionState.F,
|
|
Attr.requirements, requirements);
|
|
auto *fenv = FunctionState.F->getGenericEnvironment();
|
|
auto genericSig = evaluateOrDefault(
|
|
P.Context.evaluator,
|
|
AbstractGenericSignatureRequest{
|
|
fenv->getGenericSignature().getPointer(),
|
|
/*addedGenericParams=*/{ },
|
|
std::move(requirements)},
|
|
GenericSignature());
|
|
FunctionState.F->addSpecializeAttr(SILSpecializeAttr::create(
|
|
FunctionState.F->getModule(), genericSig, Attr.exported,
|
|
Attr.kind));
|
|
}
|
|
}
|
|
|
|
// Parse the basic block list.
|
|
SILOpenedArchetypesTracker OpenedArchetypesTracker(FunctionState.F);
|
|
SILBuilder B(*FunctionState.F);
|
|
// Track the archetypes just like SILGen. This
|
|
// is required for adding typedef operands to instructions.
|
|
B.setOpenedArchetypesTracker(&OpenedArchetypesTracker);
|
|
|
|
// Define a callback to be invoked on the deserialized types.
|
|
auto OldParsedTypeCallback = FunctionState.ParsedTypeCallback;
|
|
SWIFT_DEFER {
|
|
FunctionState.ParsedTypeCallback = OldParsedTypeCallback;
|
|
};
|
|
|
|
FunctionState.ParsedTypeCallback = [&OpenedArchetypesTracker](Type ty) {
|
|
OpenedArchetypesTracker.registerUsedOpenedArchetypes(
|
|
ty->getCanonicalType());
|
|
};
|
|
|
|
do {
|
|
if (FunctionState.parseSILBasicBlock(B))
|
|
return true;
|
|
} while (P.Tok.isNot(tok::r_brace) && P.Tok.isNot(tok::eof));
|
|
|
|
SourceLoc RBraceLoc;
|
|
P.parseMatchingToken(tok::r_brace, RBraceLoc, diag::expected_sil_rbrace,
|
|
LBraceLoc);
|
|
|
|
// Check that there are no unresolved forward definitions of opened
|
|
// archetypes.
|
|
if (OpenedArchetypesTracker.hasUnresolvedOpenedArchetypeDefinitions())
|
|
llvm_unreachable(
|
|
"All forward definitions of opened archetypes should be resolved");
|
|
}
|
|
|
|
FunctionState.F->setLinkage(resolveSILLinkage(FnLinkage, isDefinition));
|
|
}
|
|
|
|
if (FunctionState.diagnoseProblems())
|
|
return true;
|
|
|
|
// If SIL parsing succeeded, verify the generated SIL.
|
|
if (!P.Diags.hadAnyError())
|
|
FunctionState.F->verify();
|
|
|
|
return false;
|
|
}
|
|
|
|
/// decl-sil-stage: [[only in SIL mode]]
|
|
/// 'sil_stage' ('raw' | 'canonical')
|
|
bool SILParserTUState::parseDeclSILStage(Parser &P) {
|
|
SourceLoc stageLoc = P.consumeToken(tok::kw_sil_stage);
|
|
if (!P.Tok.is(tok::identifier)) {
|
|
P.diagnose(P.Tok, diag::expected_sil_stage_name);
|
|
return true;
|
|
}
|
|
SILStage stage;
|
|
if (P.Tok.isContextualKeyword("raw")) {
|
|
stage = SILStage::Raw;
|
|
P.consumeToken();
|
|
} else if (P.Tok.isContextualKeyword("canonical")) {
|
|
stage = SILStage::Canonical;
|
|
P.consumeToken();
|
|
} else if (P.Tok.isContextualKeyword("lowered")) {
|
|
stage = SILStage::Lowered;
|
|
P.consumeToken();
|
|
} else {
|
|
P.diagnose(P.Tok, diag::expected_sil_stage_name);
|
|
P.consumeToken();
|
|
return true;
|
|
}
|
|
|
|
if (DidParseSILStage) {
|
|
P.diagnose(stageLoc, diag::multiple_sil_stage_decls);
|
|
return false;
|
|
}
|
|
|
|
M.setStage(stage);
|
|
DidParseSILStage = true;
|
|
return false;
|
|
}
|
|
|
|
/// Lookup a global variable declaration from its demangled name.
|
|
///
|
|
/// A variable declaration exists for all sil_global variables defined in
|
|
/// Swift. A Swift global defined outside this module will be exposed
|
|
/// via an addressor rather than as a sil_global. Globals imported
|
|
/// from clang will produce a sil_global but will not have any corresponding
|
|
/// VarDecl.
|
|
///
|
|
/// FIXME: lookupGlobalDecl() can handle collisions between private or
|
|
/// fileprivate global variables in the same SIL Module, but the typechecker
|
|
/// will still incorrectly diagnose this as an "invalid redeclaration" and give
|
|
/// all but the first declaration an error type.
|
|
static Optional<VarDecl *> lookupGlobalDecl(Identifier GlobalName,
|
|
SILLinkage GlobalLinkage,
|
|
SILType GlobalType, Parser &P) {
|
|
// Create a set of DemangleOptions to produce the global variable's
|
|
// identifier, which is used as a search key in the declaration context.
|
|
Demangle::DemangleOptions demangleOpts;
|
|
demangleOpts.QualifyEntities = false;
|
|
demangleOpts.ShowPrivateDiscriminators = false;
|
|
demangleOpts.DisplayEntityTypes = false;
|
|
std::string GlobalDeclName = Demangle::demangleSymbolAsString(
|
|
GlobalName.str(), demangleOpts);
|
|
|
|
SmallVector<ValueDecl *, 4> CurModuleResults;
|
|
P.SF.getParentModule()->lookupValue(
|
|
P.Context.getIdentifier(GlobalDeclName), NLKind::UnqualifiedLookup,
|
|
CurModuleResults);
|
|
// Bail-out on clang-imported globals.
|
|
if (CurModuleResults.empty())
|
|
return nullptr;
|
|
|
|
// private and fileprivate globals of the same name may be merged into a
|
|
// single SIL module. Find the declaration with the correct type and
|
|
// linkage. (If multiple globals have the same type and linkage then it
|
|
// doesn't matter which declaration we use).
|
|
for (ValueDecl *ValDecl : CurModuleResults) {
|
|
auto *VD = cast<VarDecl>(ValDecl);
|
|
CanType DeclTy = VD->getType()->getCanonicalType();
|
|
if (DeclTy == GlobalType.getASTType()
|
|
&& getDeclSILLinkage(VD) == GlobalLinkage) {
|
|
return VD;
|
|
}
|
|
}
|
|
return None;
|
|
}
|
|
|
|
/// decl-sil-global: [[only in SIL mode]]
|
|
/// 'sil_global' sil-linkage @name : sil-type [external]
|
|
bool SILParserTUState::parseSILGlobal(Parser &P) {
|
|
// Inform the lexer that we're lexing the body of the SIL declaration.
|
|
Lexer::SILBodyRAII Tmp(*P.L);
|
|
|
|
P.consumeToken(tok::kw_sil_global);
|
|
Optional<SILLinkage> GlobalLinkage;
|
|
Identifier GlobalName;
|
|
SILType GlobalType;
|
|
SourceLoc NameLoc;
|
|
IsSerialized_t isSerialized = IsNotSerialized;
|
|
bool isLet = false;
|
|
|
|
Scope S(&P, ScopeKind::TopLevel);
|
|
SILParser State(P);
|
|
if (parseSILLinkage(GlobalLinkage, P) ||
|
|
parseDeclSILOptional(nullptr, &isSerialized, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr,
|
|
&isLet, nullptr, nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, State, M) ||
|
|
P.parseToken(tok::at_sign, diag::expected_sil_value_name) ||
|
|
P.parseIdentifier(GlobalName, NameLoc, diag::expected_sil_value_name) ||
|
|
P.parseToken(tok::colon, diag::expected_sil_type))
|
|
return true;
|
|
|
|
if (State.parseSILType(GlobalType))
|
|
return true;
|
|
|
|
// Non-external global variables are definitions by default.
|
|
if (!GlobalLinkage.hasValue())
|
|
GlobalLinkage = SILLinkage::DefaultForDefinition;
|
|
|
|
// Lookup the global variable declaration for this sil_global.
|
|
auto VD =
|
|
lookupGlobalDecl(GlobalName, GlobalLinkage.getValue(), GlobalType, P);
|
|
if (!VD) {
|
|
P.diagnose(NameLoc, diag::sil_global_variable_not_found, GlobalName);
|
|
return true;
|
|
}
|
|
auto *GV = SILGlobalVariable::create(
|
|
M, GlobalLinkage.getValue(), isSerialized, GlobalName.str(), GlobalType,
|
|
RegularLocation(NameLoc), VD.getValue());
|
|
|
|
GV->setLet(isLet);
|
|
// Parse static initializer if exists.
|
|
if (State.P.consumeIf(tok::equal) && State.P.consumeIf(tok::l_brace)) {
|
|
SILBuilder B(GV);
|
|
do {
|
|
State.parseSILInstruction(B);
|
|
} while (! State.P.consumeIf(tok::r_brace));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// decl-sil-property: [[only in SIL mode]]
|
|
/// 'sil_property' sil-decl-ref '(' sil-key-path-pattern-component ')'
|
|
|
|
bool SILParserTUState::parseSILProperty(Parser &P) {
|
|
Lexer::SILBodyRAII Tmp(*P.L);
|
|
|
|
auto loc = P.consumeToken(tok::kw_sil_property);
|
|
auto InstLoc = RegularLocation(loc);
|
|
SILParser SP(P);
|
|
|
|
IsSerialized_t Serialized = IsNotSerialized;
|
|
if (parseDeclSILOptional(nullptr, &Serialized, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, SP, M))
|
|
return true;
|
|
|
|
ValueDecl *VD;
|
|
|
|
if (SP.parseSILDottedPath(VD))
|
|
return true;
|
|
|
|
GenericParamList *generics;
|
|
GenericEnvironment *patternEnv;
|
|
Scope toplevelScope(&P, ScopeKind::TopLevel);
|
|
Scope genericsScope(&P, ScopeKind::Generics);
|
|
generics = P.maybeParseGenericParams().getPtrOrNull();
|
|
patternEnv = handleSILGenericParams(generics, &P.SF);
|
|
|
|
if (patternEnv) {
|
|
if (patternEnv->getGenericSignature().getCanonicalSignature() !=
|
|
VD->getInnermostDeclContext()
|
|
->getGenericSignatureOfContext()
|
|
.getCanonicalSignature()) {
|
|
P.diagnose(loc, diag::sil_property_generic_signature_mismatch);
|
|
return true;
|
|
}
|
|
} else {
|
|
if (VD->getInnermostDeclContext()->getGenericSignatureOfContext()) {
|
|
P.diagnose(loc, diag::sil_property_generic_signature_mismatch);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
Identifier ComponentKind;
|
|
Optional<KeyPathPatternComponent> Component;
|
|
SourceLoc ComponentLoc;
|
|
SmallVector<SILType, 4> OperandTypes;
|
|
|
|
if (P.parseToken(tok::l_paren, diag::expected_tok_in_sil_instr, "("))
|
|
return true;
|
|
|
|
if (!P.consumeIf(tok::r_paren)) {
|
|
KeyPathPatternComponent parsedComponent;
|
|
if (P.parseIdentifier(ComponentKind, ComponentLoc,
|
|
diag::expected_tok_in_sil_instr, "component kind")
|
|
|| SP.parseKeyPathPatternComponent(parsedComponent, OperandTypes,
|
|
ComponentLoc, ComponentKind, InstLoc,
|
|
patternEnv)
|
|
|| P.parseToken(tok::r_paren, diag::expected_tok_in_sil_instr, ")"))
|
|
return true;
|
|
|
|
Component = std::move(parsedComponent);
|
|
}
|
|
|
|
SILProperty::create(M, Serialized,
|
|
cast<AbstractStorageDecl>(VD), Component);
|
|
return false;
|
|
}
|
|
|
|
/// decl-sil-vtable: [[only in SIL mode]]
|
|
/// 'sil_vtable' ClassName decl-sil-vtable-body
|
|
/// decl-sil-vtable-body:
|
|
/// '{' sil-vtable-entry* '}'
|
|
/// sil-vtable-entry:
|
|
/// SILDeclRef ':' SILFunctionName
|
|
bool SILParserTUState::parseSILVTable(Parser &P) {
|
|
P.consumeToken(tok::kw_sil_vtable);
|
|
SILParser VTableState(P);
|
|
|
|
IsSerialized_t Serialized = IsNotSerialized;
|
|
if (parseDeclSILOptional(nullptr, &Serialized, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr,
|
|
VTableState, M))
|
|
return true;
|
|
|
|
// Parse the class name.
|
|
Identifier Name;
|
|
SourceLoc Loc;
|
|
if (VTableState.parseSILIdentifier(Name, Loc,
|
|
diag::expected_sil_value_name))
|
|
return true;
|
|
|
|
// Find the class decl.
|
|
llvm::PointerUnion<ValueDecl*, ModuleDecl *> Res =
|
|
lookupTopDecl(P, Name, /*typeLookup=*/true);
|
|
assert(Res.is<ValueDecl*>() && "Class look-up should return a Decl");
|
|
ValueDecl *VD = Res.get<ValueDecl*>();
|
|
if (!VD) {
|
|
P.diagnose(Loc, diag::sil_vtable_class_not_found, Name);
|
|
return true;
|
|
}
|
|
|
|
auto *theClass = dyn_cast<ClassDecl>(VD);
|
|
if (!theClass) {
|
|
P.diagnose(Loc, diag::sil_vtable_class_not_found, Name);
|
|
return true;
|
|
}
|
|
|
|
SourceLoc LBraceLoc = P.Tok.getLoc();
|
|
P.consumeToken(tok::l_brace);
|
|
|
|
// We need to turn on InSILBody to parse SILDeclRef.
|
|
Lexer::SILBodyRAII Tmp(*P.L);
|
|
Scope S(&P, ScopeKind::TopLevel);
|
|
// Parse the entry list.
|
|
std::vector<SILVTable::Entry> vtableEntries;
|
|
if (P.Tok.isNot(tok::r_brace)) {
|
|
do {
|
|
SILDeclRef Ref;
|
|
Identifier FuncName;
|
|
SourceLoc FuncLoc;
|
|
if (VTableState.parseSILDeclRef(Ref, true))
|
|
return true;
|
|
SILFunction *Func = nullptr;
|
|
if (P.Tok.is(tok::kw_nil)) {
|
|
P.consumeToken();
|
|
} else {
|
|
if (P.parseToken(tok::colon, diag::expected_sil_vtable_colon) ||
|
|
P.parseToken(tok::at_sign, diag::expected_sil_function_name) ||
|
|
VTableState.parseSILIdentifier(FuncName, FuncLoc,
|
|
diag::expected_sil_value_name))
|
|
return true;
|
|
Func = M.lookUpFunction(FuncName.str());
|
|
if (!Func) {
|
|
P.diagnose(FuncLoc, diag::sil_vtable_func_not_found, FuncName);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
auto Kind = SILVTable::Entry::Kind::Normal;
|
|
if (P.Tok.is(tok::l_square)) {
|
|
P.consumeToken(tok::l_square);
|
|
if (P.Tok.isNot(tok::identifier)) {
|
|
P.diagnose(P.Tok.getLoc(), diag::sil_vtable_bad_entry_kind);
|
|
return true;
|
|
}
|
|
|
|
if (P.Tok.getText() == "override") {
|
|
P.consumeToken();
|
|
Kind = SILVTable::Entry::Kind::Override;
|
|
} else if (P.Tok.getText() == "inherited") {
|
|
P.consumeToken();
|
|
Kind = SILVTable::Entry::Kind::Inherited;
|
|
} else {
|
|
P.diagnose(P.Tok.getLoc(), diag::sil_vtable_bad_entry_kind);
|
|
return true;
|
|
}
|
|
|
|
if (P.parseToken(tok::r_square, diag::sil_vtable_expect_rsquare))
|
|
return true;
|
|
}
|
|
|
|
vtableEntries.emplace_back(Ref, Func, Kind);
|
|
} while (P.Tok.isNot(tok::r_brace) && P.Tok.isNot(tok::eof));
|
|
}
|
|
|
|
SourceLoc RBraceLoc;
|
|
P.parseMatchingToken(tok::r_brace, RBraceLoc, diag::expected_sil_rbrace,
|
|
LBraceLoc);
|
|
|
|
SILVTable::create(M, theClass, Serialized, vtableEntries);
|
|
return false;
|
|
}
|
|
|
|
static ProtocolDecl *parseProtocolDecl(Parser &P, SILParser &SP) {
|
|
Identifier DeclName;
|
|
SourceLoc DeclLoc;
|
|
if (SP.parseSILIdentifier(DeclName, DeclLoc, diag::expected_sil_value_name))
|
|
return nullptr;
|
|
|
|
// Find the protocol decl. The protocol can be imported.
|
|
llvm::PointerUnion<ValueDecl*, ModuleDecl *> Res =
|
|
lookupTopDecl(P, DeclName, /*typeLookup=*/true);
|
|
assert(Res.is<ValueDecl*>() && "Protocol look-up should return a Decl");
|
|
ValueDecl *VD = Res.get<ValueDecl*>();
|
|
if (!VD) {
|
|
P.diagnose(DeclLoc, diag::sil_witness_protocol_not_found, DeclName);
|
|
return nullptr;
|
|
}
|
|
auto *proto = dyn_cast<ProtocolDecl>(VD);
|
|
if (!proto)
|
|
P.diagnose(DeclLoc, diag::sil_witness_protocol_not_found, DeclName);
|
|
return proto;
|
|
}
|
|
|
|
static AssociatedTypeDecl *parseAssociatedTypeDecl(Parser &P, SILParser &SP,
|
|
ProtocolDecl *proto) {
|
|
Identifier DeclName;
|
|
SourceLoc DeclLoc;
|
|
if (SP.parseSILIdentifier(DeclName, DeclLoc, diag::expected_sil_value_name))
|
|
return nullptr;
|
|
// We can return multiple decls, for now, we use the first lookup result.
|
|
// One example is two decls when searching for Generator of Sequence:
|
|
// one from Sequence, the other from _Sequence_Type.
|
|
SmallVector<ValueDecl *, 4> values;
|
|
auto VD = lookupMember(P, proto->getInterfaceType(), DeclName, DeclLoc,
|
|
values, true/*ExpectMultipleResults*/);
|
|
if (!VD) {
|
|
P.diagnose(DeclLoc, diag::sil_witness_assoc_not_found, DeclName);
|
|
return nullptr;
|
|
}
|
|
return dyn_cast<AssociatedTypeDecl>(VD);
|
|
}
|
|
|
|
static bool parseAssociatedTypePath(SILParser &SP,
|
|
SmallVectorImpl<Identifier> &path) {
|
|
do {
|
|
Identifier name;
|
|
SourceLoc loc;
|
|
if (SP.parseSILIdentifier(name, loc, diag::expected_sil_value_name))
|
|
return false;
|
|
path.push_back(name);
|
|
} while (SP.P.consumeIf(tok::period));
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool matchesAssociatedTypePath(CanType assocType,
|
|
ArrayRef<Identifier> path) {
|
|
if (auto memberType = dyn_cast<DependentMemberType>(assocType)) {
|
|
return (!path.empty() &&
|
|
memberType->getName() == path.back() &&
|
|
matchesAssociatedTypePath(memberType.getBase(), path.drop_back()));
|
|
} else {
|
|
assert(isa<GenericTypeParamType>(assocType));
|
|
return path.empty();
|
|
}
|
|
}
|
|
|
|
static CanType parseAssociatedTypePath(Parser &P, SILParser &SP,
|
|
ProtocolDecl *proto) {
|
|
SourceLoc loc = SP.P.Tok.getLoc();
|
|
SmallVector<Identifier, 4> path;
|
|
if (!parseAssociatedTypePath(SP, path))
|
|
return CanType();
|
|
|
|
// This is only used for parsing associated conformances, so we can
|
|
// go ahead and just search the requirement signature for something that
|
|
// matches the path.
|
|
for (auto &reqt : proto->getRequirementSignature()) {
|
|
if (reqt.getKind() != RequirementKind::Conformance)
|
|
continue;
|
|
CanType assocType = reqt.getFirstType()->getCanonicalType();
|
|
if (matchesAssociatedTypePath(assocType, path))
|
|
return assocType;
|
|
}
|
|
|
|
SmallString<128> name;
|
|
name += path[0].str();
|
|
for (auto elt : makeArrayRef(path).slice(1)) {
|
|
name += '.';
|
|
name += elt.str();
|
|
}
|
|
P.diagnose(loc, diag::sil_witness_assoc_conf_not_found, name);
|
|
return CanType();
|
|
}
|
|
|
|
static bool isSelfConformance(Type conformingType, ProtocolDecl *protocol) {
|
|
if (auto protoTy = conformingType->getAs<ProtocolType>())
|
|
return protoTy->getDecl() == protocol;
|
|
return false;
|
|
}
|
|
|
|
static ProtocolConformanceRef
|
|
parseRootProtocolConformance(Parser &P, SILParser &SP, Type ConformingTy,
|
|
ProtocolDecl *&proto, ConformanceContext context) {
|
|
Identifier ModuleKeyword, ModuleName;
|
|
SourceLoc Loc, KeywordLoc;
|
|
proto = parseProtocolDecl(P, SP);
|
|
if (!proto)
|
|
return ProtocolConformanceRef();
|
|
|
|
if (P.parseIdentifier(ModuleKeyword, KeywordLoc,
|
|
diag::expected_tok_in_sil_instr, "module") ||
|
|
SP.parseSILIdentifier(ModuleName, Loc,
|
|
diag::expected_sil_value_name))
|
|
return ProtocolConformanceRef();
|
|
|
|
if (ModuleKeyword.str() != "module") {
|
|
P.diagnose(KeywordLoc, diag::expected_tok_in_sil_instr, "module");
|
|
return ProtocolConformanceRef();
|
|
}
|
|
|
|
// Calling lookupConformance on a BoundGenericType will return a specialized
|
|
// conformance. We use UnboundGenericType to find the normal conformance.
|
|
Type lookupTy = ConformingTy;
|
|
if (auto bound = lookupTy->getAs<BoundGenericType>())
|
|
lookupTy = bound->getDecl()->getDeclaredType();
|
|
auto lookup = P.SF.getParentModule()->lookupConformance(lookupTy, proto);
|
|
if (lookup.isInvalid()) {
|
|
P.diagnose(KeywordLoc, diag::sil_witness_protocol_conformance_not_found);
|
|
return ProtocolConformanceRef();
|
|
}
|
|
|
|
// Use a concrete self-conformance if we're parsing this for a witness table.
|
|
if (context == ConformanceContext::WitnessTable && !lookup.isConcrete() &&
|
|
isSelfConformance(ConformingTy, proto)) {
|
|
lookup = ProtocolConformanceRef(P.Context.getSelfConformance(proto));
|
|
}
|
|
|
|
return lookup;
|
|
}
|
|
|
|
/// protocol-conformance ::= normal-protocol-conformance
|
|
/// protocol-conformance ::=
|
|
/// generic-parameter-list? type: 'inherit' '(' protocol-conformance ')'
|
|
/// protocol-conformance ::=
|
|
/// generic-parameter-list? type: 'specialize' '<' substitution* '>'
|
|
/// '(' protocol-conformance ')'
|
|
/// normal-protocol-conformance ::=
|
|
/// generic-parameter-list? type: protocolName module ModuleName
|
|
/// Note that generic-parameter-list is already parsed before calling this.
|
|
ProtocolConformanceRef SILParser::parseProtocolConformance(
|
|
ProtocolDecl *&proto, GenericEnvironment *&genericEnv,
|
|
ConformanceContext context, ProtocolDecl *defaultForProto) {
|
|
// Parse generic params for the protocol conformance. We need to make sure
|
|
// they have the right scope.
|
|
Optional<Scope> GenericsScope;
|
|
if (context == ConformanceContext::Ordinary)
|
|
GenericsScope.emplace(&P, ScopeKind::Generics);
|
|
|
|
// Make sure we don't leave it uninitialized in the caller
|
|
genericEnv = nullptr;
|
|
|
|
auto *genericParams = P.maybeParseGenericParams().getPtrOrNull();
|
|
if (genericParams) {
|
|
genericEnv = handleSILGenericParams(genericParams, &P.SF);
|
|
}
|
|
|
|
auto retVal = parseProtocolConformanceHelper(proto, genericEnv, context,
|
|
defaultForProto);
|
|
|
|
if (GenericsScope) {
|
|
GenericsScope.reset();
|
|
}
|
|
return retVal;
|
|
}
|
|
|
|
ProtocolConformanceRef SILParser::parseProtocolConformanceHelper(
|
|
ProtocolDecl *&proto, GenericEnvironment *witnessEnv,
|
|
ConformanceContext context, ProtocolDecl *defaultForProto) {
|
|
// Parse AST type.
|
|
ParserResult<TypeRepr> TyR = P.parseType();
|
|
if (TyR.isNull())
|
|
return ProtocolConformanceRef();
|
|
TypeLoc Ty = TyR.get();
|
|
if (defaultForProto) {
|
|
bindProtocolSelfInTypeRepr(Ty, defaultForProto);
|
|
}
|
|
|
|
if (performTypeLocChecking(Ty, /*IsSILType=*/ false, witnessEnv,
|
|
defaultForProto))
|
|
return ProtocolConformanceRef();
|
|
auto ConformingTy = Ty.getType();
|
|
|
|
if (P.parseToken(tok::colon, diag::expected_sil_witness_colon))
|
|
return ProtocolConformanceRef();
|
|
|
|
if (P.Tok.is(tok::identifier) && P.Tok.getText() == "specialize") {
|
|
P.consumeToken();
|
|
|
|
// Parse substitutions for specialized conformance.
|
|
SmallVector<ParsedSubstitution, 4> parsedSubs;
|
|
if (parseSubstitutions(parsedSubs, witnessEnv, defaultForProto))
|
|
return ProtocolConformanceRef();
|
|
|
|
if (P.parseToken(tok::l_paren, diag::expected_sil_witness_lparen))
|
|
return ProtocolConformanceRef();
|
|
ProtocolDecl *dummy;
|
|
GenericEnvironment *specializedEnv;
|
|
auto genericConform =
|
|
parseProtocolConformance(dummy, specializedEnv,
|
|
ConformanceContext::Ordinary,
|
|
defaultForProto);
|
|
if (genericConform.isInvalid() || !genericConform.isConcrete())
|
|
return ProtocolConformanceRef();
|
|
if (P.parseToken(tok::r_paren, diag::expected_sil_witness_rparen))
|
|
return ProtocolConformanceRef();
|
|
|
|
SubstitutionMap subMap =
|
|
getApplySubstitutionsFromParsed(*this, specializedEnv, parsedSubs);
|
|
if (!subMap)
|
|
return ProtocolConformanceRef();
|
|
|
|
auto result = P.Context.getSpecializedConformance(
|
|
ConformingTy, genericConform.getConcrete(), subMap);
|
|
return ProtocolConformanceRef(result);
|
|
}
|
|
|
|
if (P.Tok.is(tok::identifier) && P.Tok.getText() == "inherit") {
|
|
P.consumeToken();
|
|
|
|
if (P.parseToken(tok::l_paren, diag::expected_sil_witness_lparen))
|
|
return ProtocolConformanceRef();
|
|
auto baseConform = parseProtocolConformance(defaultForProto,
|
|
ConformanceContext::Ordinary);
|
|
if (baseConform.isInvalid() || !baseConform.isConcrete())
|
|
return ProtocolConformanceRef();
|
|
if (P.parseToken(tok::r_paren, diag::expected_sil_witness_rparen))
|
|
return ProtocolConformanceRef();
|
|
|
|
auto result = P.Context.getInheritedConformance(ConformingTy,
|
|
baseConform.getConcrete());
|
|
return ProtocolConformanceRef(result);
|
|
}
|
|
|
|
auto retVal =
|
|
parseRootProtocolConformance(P, *this, ConformingTy, proto, context);
|
|
return retVal;
|
|
}
|
|
|
|
/// Parser a single SIL vtable entry and add it to either \p witnessEntries
|
|
/// or \c conditionalConformances.
|
|
static bool parseSILVTableEntry(
|
|
Parser &P,
|
|
SILModule &M,
|
|
ProtocolDecl *proto,
|
|
GenericEnvironment *witnessEnv,
|
|
SILParser &witnessState,
|
|
bool isDefaultWitnessTable,
|
|
std::vector<SILWitnessTable::Entry> &witnessEntries,
|
|
std::vector<SILWitnessTable::ConditionalConformance>
|
|
&conditionalConformances) {
|
|
ProtocolDecl *defaultForProto = isDefaultWitnessTable ? proto : nullptr;
|
|
Identifier EntryKeyword;
|
|
SourceLoc KeywordLoc;
|
|
if (P.parseIdentifier(EntryKeyword, KeywordLoc,
|
|
diag::expected_tok_in_sil_instr,
|
|
"method, associated_type, associated_type_protocol, base_protocol"
|
|
", no_default"))
|
|
return true;
|
|
|
|
if (EntryKeyword.str() == "no_default") {
|
|
witnessEntries.push_back(SILDefaultWitnessTable::Entry());
|
|
return false;
|
|
}
|
|
|
|
if (EntryKeyword.str() == "base_protocol") {
|
|
ProtocolDecl *proto = parseProtocolDecl(P, witnessState);
|
|
if (!proto)
|
|
return true;
|
|
if (P.parseToken(tok::colon, diag::expected_sil_witness_colon))
|
|
return true;
|
|
auto conform =
|
|
witnessState.parseProtocolConformance(defaultForProto,
|
|
ConformanceContext::Ordinary);
|
|
// Ignore invalid and abstract witness entries.
|
|
if (conform.isInvalid() || !conform.isConcrete())
|
|
return false;
|
|
|
|
witnessEntries.push_back(
|
|
SILWitnessTable::BaseProtocolWitness{proto, conform.getConcrete()});
|
|
return false;
|
|
}
|
|
|
|
if (EntryKeyword.str() == "associated_type_protocol" ||
|
|
EntryKeyword.str() == "conditional_conformance") {
|
|
if (P.parseToken(tok::l_paren, diag::expected_sil_witness_lparen))
|
|
return true;
|
|
CanType assocOrSubject;
|
|
if (EntryKeyword.str() == "associated_type_protocol") {
|
|
assocOrSubject = parseAssociatedTypePath(P, witnessState, proto);
|
|
} else {
|
|
// Parse AST type.
|
|
ParserResult<TypeRepr> TyR = P.parseType();
|
|
if (TyR.isNull())
|
|
return true;
|
|
TypeLoc Ty = TyR.get();
|
|
if (isDefaultWitnessTable)
|
|
bindProtocolSelfInTypeRepr(Ty, proto);
|
|
if (swift::performTypeLocChecking(P.Context, Ty,
|
|
/*isSILMode=*/false,
|
|
/*isSILType=*/false,
|
|
witnessEnv,
|
|
&P.SF))
|
|
return true;
|
|
|
|
assocOrSubject = Ty.getType()->getCanonicalType();
|
|
}
|
|
if (!assocOrSubject)
|
|
return true;
|
|
if (P.parseToken(tok::colon, diag::expected_sil_witness_colon))
|
|
return true;
|
|
ProtocolDecl *proto = parseProtocolDecl(P, witnessState);
|
|
if (!proto)
|
|
return true;
|
|
if (P.parseToken(tok::r_paren, diag::expected_sil_witness_rparen) ||
|
|
P.parseToken(tok::colon, diag::expected_sil_witness_colon))
|
|
return true;
|
|
|
|
ProtocolConformanceRef conformance(proto);
|
|
if (P.Tok.getText() != "dependent") {
|
|
auto concrete =
|
|
witnessState.parseProtocolConformance(defaultForProto,
|
|
ConformanceContext::Ordinary);
|
|
// Ignore invalid and abstract witness entries.
|
|
if (concrete.isInvalid() || !concrete.isConcrete())
|
|
return false;
|
|
conformance = concrete;
|
|
} else {
|
|
P.consumeToken();
|
|
}
|
|
|
|
if (EntryKeyword.str() == "associated_type_protocol")
|
|
witnessEntries.push_back(
|
|
SILWitnessTable::AssociatedTypeProtocolWitness{assocOrSubject,
|
|
proto,
|
|
conformance});
|
|
else
|
|
conditionalConformances.push_back(
|
|
SILWitnessTable::ConditionalConformance{assocOrSubject,
|
|
conformance});
|
|
|
|
return false;
|
|
}
|
|
|
|
if (EntryKeyword.str() == "associated_type") {
|
|
AssociatedTypeDecl *assoc = parseAssociatedTypeDecl(P, witnessState,
|
|
proto);
|
|
if (!assoc)
|
|
return true;
|
|
if (P.parseToken(tok::colon, diag::expected_sil_witness_colon))
|
|
return true;
|
|
|
|
// Parse AST type.
|
|
ParserResult<TypeRepr> TyR = P.parseType();
|
|
if (TyR.isNull())
|
|
return true;
|
|
TypeLoc Ty = TyR.get();
|
|
if (isDefaultWitnessTable)
|
|
bindProtocolSelfInTypeRepr(Ty, proto);
|
|
if (swift::performTypeLocChecking(P.Context, Ty,
|
|
/*isSILMode=*/false,
|
|
/*isSILType=*/false,
|
|
witnessEnv,
|
|
&P.SF))
|
|
return true;
|
|
|
|
witnessEntries.push_back(SILWitnessTable::AssociatedTypeWitness{
|
|
assoc, Ty.getType()->getCanonicalType()
|
|
});
|
|
return false;
|
|
}
|
|
|
|
if (EntryKeyword.str() != "method") {
|
|
P.diagnose(KeywordLoc, diag::expected_tok_in_sil_instr, "method");
|
|
return true;
|
|
}
|
|
|
|
SILDeclRef Ref;
|
|
Identifier FuncName;
|
|
SourceLoc FuncLoc;
|
|
if (witnessState.parseSILDeclRef(Ref, true) ||
|
|
P.parseToken(tok::colon, diag::expected_sil_witness_colon))
|
|
return true;
|
|
|
|
SILFunction *Func = nullptr;
|
|
if (P.Tok.is(tok::kw_nil)) {
|
|
P.consumeToken();
|
|
} else {
|
|
if (P.parseToken(tok::at_sign, diag::expected_sil_function_name) ||
|
|
witnessState.parseSILIdentifier(FuncName, FuncLoc,
|
|
diag::expected_sil_value_name))
|
|
return true;
|
|
|
|
Func = M.lookUpFunction(FuncName.str());
|
|
if (!Func) {
|
|
P.diagnose(FuncLoc, diag::sil_witness_func_not_found, FuncName);
|
|
return true;
|
|
}
|
|
}
|
|
witnessEntries.push_back(SILWitnessTable::MethodWitness{
|
|
Ref, Func
|
|
});
|
|
|
|
return false;
|
|
}
|
|
|
|
/// decl-sil-witness ::= 'sil_witness_table' sil-linkage?
|
|
/// normal-protocol-conformance decl-sil-witness-body
|
|
/// normal-protocol-conformance ::=
|
|
/// generic-parameter-list? type: protocolName module ModuleName
|
|
/// decl-sil-witness-body:
|
|
/// '{' sil-witness-entry* '}'
|
|
/// sil-witness-entry:
|
|
/// method SILDeclRef ':' @SILFunctionName
|
|
/// associated_type AssociatedTypeDeclName: Type
|
|
/// associated_type_protocol (AssocName: ProtocolName):
|
|
/// protocol-conformance|dependent
|
|
/// base_protocol ProtocolName: protocol-conformance
|
|
bool SILParserTUState::parseSILWitnessTable(Parser &P) {
|
|
P.consumeToken(tok::kw_sil_witness_table);
|
|
SILParser WitnessState(P);
|
|
|
|
// Parse the linkage.
|
|
Optional<SILLinkage> Linkage;
|
|
parseSILLinkage(Linkage, P);
|
|
|
|
IsSerialized_t isSerialized = IsNotSerialized;
|
|
if (parseDeclSILOptional(nullptr, &isSerialized, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, nullptr,
|
|
WitnessState, M))
|
|
return true;
|
|
|
|
Scope S(&P, ScopeKind::TopLevel);
|
|
// We should use WitnessTableBody. This ensures that the generic params
|
|
// are visible.
|
|
Optional<Scope> BodyScope;
|
|
BodyScope.emplace(&P, ScopeKind::FunctionBody);
|
|
|
|
// Parse the protocol conformance.
|
|
ProtocolDecl *proto;
|
|
GenericEnvironment *witnessEnv;
|
|
auto conf = WitnessState.parseProtocolConformance(proto,
|
|
witnessEnv,
|
|
ConformanceContext::WitnessTable,
|
|
nullptr);
|
|
WitnessState.ContextGenericEnv = witnessEnv;
|
|
|
|
// FIXME: should we really allow a specialized or inherited conformance here?
|
|
RootProtocolConformance *theConformance = nullptr;
|
|
if (conf.isConcrete())
|
|
theConformance = conf.getConcrete()->getRootConformance();
|
|
|
|
SILWitnessTable *wt = nullptr;
|
|
if (theConformance) {
|
|
wt = M.lookUpWitnessTable(theConformance, false);
|
|
assert((!wt || wt->isDeclaration()) &&
|
|
"Attempting to create duplicate witness table.");
|
|
}
|
|
|
|
// If we don't have an lbrace, then this witness table is a declaration.
|
|
if (P.Tok.getKind() != tok::l_brace) {
|
|
// Default to public external linkage.
|
|
if (!Linkage)
|
|
Linkage = SILLinkage::PublicExternal;
|
|
// We ignore empty witness table without normal protocol conformance.
|
|
if (!wt && theConformance)
|
|
wt = SILWitnessTable::create(M, *Linkage, theConformance);
|
|
BodyScope.reset();
|
|
return false;
|
|
}
|
|
|
|
if (!theConformance) {
|
|
P.diagnose(P.Tok, diag::sil_witness_protocol_conformance_not_found);
|
|
return true;
|
|
}
|
|
|
|
SourceLoc LBraceLoc = P.Tok.getLoc();
|
|
P.consumeToken(tok::l_brace);
|
|
|
|
// We need to turn on InSILBody to parse SILDeclRef.
|
|
Lexer::SILBodyRAII Tmp(*P.L);
|
|
// Parse the entry list.
|
|
std::vector<SILWitnessTable::Entry> witnessEntries;
|
|
std::vector<SILWitnessTable::ConditionalConformance> conditionalConformances;
|
|
|
|
if (P.Tok.isNot(tok::r_brace)) {
|
|
do {
|
|
if (parseSILVTableEntry(P, M, proto, witnessEnv, WitnessState, false,
|
|
witnessEntries, conditionalConformances))
|
|
return true;
|
|
} while (P.Tok.isNot(tok::r_brace) && P.Tok.isNot(tok::eof));
|
|
}
|
|
|
|
SourceLoc RBraceLoc;
|
|
P.parseMatchingToken(tok::r_brace, RBraceLoc, diag::expected_sil_rbrace,
|
|
LBraceLoc);
|
|
|
|
// Default to public linkage.
|
|
if (!Linkage)
|
|
Linkage = SILLinkage::Public;
|
|
|
|
if (!wt)
|
|
wt = SILWitnessTable::create(M, *Linkage, theConformance);
|
|
else
|
|
wt->setLinkage(*Linkage);
|
|
wt->convertToDefinition(witnessEntries, conditionalConformances,
|
|
isSerialized);
|
|
BodyScope.reset();
|
|
return false;
|
|
}
|
|
|
|
/// decl-sil-default-witness ::= 'sil_default_witness_table'
|
|
/// sil-linkage identifier
|
|
/// decl-sil-default-witness-body
|
|
/// decl-sil-default-witness-body:
|
|
/// '{' sil-default-witness-entry* '}'
|
|
/// sil-default-witness-entry:
|
|
/// sil-witness-entry
|
|
/// 'no_default'
|
|
bool SILParserTUState::parseSILDefaultWitnessTable(Parser &P) {
|
|
P.consumeToken(tok::kw_sil_default_witness_table);
|
|
SILParser WitnessState(P);
|
|
|
|
// Parse the linkage.
|
|
Optional<SILLinkage> Linkage;
|
|
parseSILLinkage(Linkage, P);
|
|
|
|
Scope S(&P, ScopeKind::TopLevel);
|
|
// We should use WitnessTableBody. This ensures that the generic params
|
|
// are visible.
|
|
Optional<Scope> BodyScope;
|
|
BodyScope.emplace(&P, ScopeKind::FunctionBody);
|
|
|
|
// Parse the protocol.
|
|
ProtocolDecl *protocol = parseProtocolDecl(P, WitnessState);
|
|
if (!protocol)
|
|
return true;
|
|
|
|
// Parse the body.
|
|
SourceLoc LBraceLoc = P.Tok.getLoc();
|
|
P.consumeToken(tok::l_brace);
|
|
|
|
// We need to turn on InSILBody to parse SILDeclRef.
|
|
Lexer::SILBodyRAII Tmp(*P.L);
|
|
|
|
// Parse the entry list.
|
|
std::vector<SILWitnessTable::Entry> witnessEntries;
|
|
std::vector<SILWitnessTable::ConditionalConformance> conditionalConformances;
|
|
|
|
if (P.Tok.isNot(tok::r_brace)) {
|
|
do {
|
|
if (parseSILVTableEntry(P, M, protocol, protocol->getGenericEnvironment(),
|
|
WitnessState, true, witnessEntries,
|
|
conditionalConformances))
|
|
return true;
|
|
} while (P.Tok.isNot(tok::r_brace) && P.Tok.isNot(tok::eof));
|
|
}
|
|
|
|
SourceLoc RBraceLoc;
|
|
P.parseMatchingToken(tok::r_brace, RBraceLoc, diag::expected_sil_rbrace,
|
|
LBraceLoc);
|
|
|
|
// Default to public linkage.
|
|
if (!Linkage)
|
|
Linkage = SILLinkage::Public;
|
|
|
|
SILDefaultWitnessTable::create(M, *Linkage, protocol, witnessEntries);
|
|
BodyScope.reset();
|
|
return false;
|
|
}
|
|
|
|
/// decl-sil-differentiability-witness ::=
|
|
/// 'sil_differentiability_witness'
|
|
/// ('[' 'serialized' ']')?
|
|
/// sil-linkage?
|
|
/// sil-differentiability-witness-config-and-function
|
|
/// decl-sil-differentiability-witness-body?
|
|
///
|
|
/// decl-sil-differentiability-witness-body ::=
|
|
/// '{'
|
|
/// ('jvp' sil-function-name ':' sil-type)?
|
|
/// ('vjp' sil-function-name ':' sil-type)?
|
|
/// '}'
|
|
///
|
|
/// index-subset ::=
|
|
/// [0-9]+ (' ' [0-9]+)*
|
|
bool SILParserTUState::parseSILDifferentiabilityWitness(Parser &P) {
|
|
auto loc = P.consumeToken(tok::kw_sil_differentiability_witness);
|
|
auto silLoc = RegularLocation(loc);
|
|
SILParser State(P);
|
|
|
|
// Parse the linkage.
|
|
Optional<SILLinkage> linkage;
|
|
if (parseSILLinkage(linkage, P))
|
|
return true;
|
|
|
|
// Parse '[serialized]' flag (optional).
|
|
bool isSerialized = false;
|
|
SourceLoc serializedTokLoc;
|
|
if (P.Tok.is(tok::l_square) && P.isIdentifier(P.peekToken(), "serialized")) {
|
|
isSerialized = true;
|
|
serializedTokLoc = P.Tok.getLoc();
|
|
P.consumeToken(tok::l_square);
|
|
P.consumeToken(tok::identifier);
|
|
if (P.parseToken(tok::r_square, diag::sil_diff_witness_expected_token, "]"))
|
|
return true;
|
|
}
|
|
|
|
Scope scope(&P, ScopeKind::TopLevel);
|
|
Scope body(&P, ScopeKind::FunctionBody);
|
|
|
|
// We need to turn on InSILBody to parse the function references.
|
|
Lexer::SILBodyRAII tmp(*P.L);
|
|
|
|
auto configAndFn =
|
|
parseSILDifferentiabilityWitnessConfigAndFunction(P, State, silLoc);
|
|
if (!configAndFn) {
|
|
return true;
|
|
}
|
|
auto config = configAndFn->first;
|
|
auto originalFn = configAndFn->second;
|
|
|
|
// If this is just a declaration, create the declaration now and return.
|
|
if (!P.Tok.is(tok::l_brace)) {
|
|
if (isSerialized) {
|
|
P.diagnose(serializedTokLoc,
|
|
diag::sil_diff_witness_serialized_declaration);
|
|
return true;
|
|
}
|
|
|
|
SILDifferentiabilityWitness::createDeclaration(
|
|
M, linkage ? *linkage : SILLinkage::DefaultForDeclaration, originalFn,
|
|
config.parameterIndices, config.resultIndices,
|
|
config.derivativeGenericSignature);
|
|
return false;
|
|
}
|
|
|
|
// This is a definition, so parse differentiability witness body.
|
|
SILFunction *jvp = nullptr;
|
|
SILFunction *vjp = nullptr;
|
|
if (P.Tok.is(tok::l_brace)) {
|
|
// Parse '{'.
|
|
SourceLoc lBraceLoc;
|
|
P.consumeIf(tok::l_brace, lBraceLoc);
|
|
// Parse JVP (optional).
|
|
if (P.isIdentifier(P.Tok, "jvp")) {
|
|
P.consumeToken(tok::identifier);
|
|
if (P.parseToken(tok::colon, diag::sil_diff_witness_expected_token, ":"))
|
|
return true;
|
|
Scope body(&P, ScopeKind::FunctionBody);
|
|
if (State.parseSILFunctionRef(silLoc, jvp))
|
|
return true;
|
|
}
|
|
// Parse VJP (optional).
|
|
if (P.isIdentifier(P.Tok, "vjp")) {
|
|
P.consumeToken(tok::identifier);
|
|
if (P.parseToken(tok::colon, diag::sil_diff_witness_expected_token, ":"))
|
|
return true;
|
|
Scope body(&P, ScopeKind::FunctionBody);
|
|
if (State.parseSILFunctionRef(silLoc, vjp))
|
|
return true;
|
|
}
|
|
// Parse '}'.
|
|
SourceLoc rBraceLoc;
|
|
if (P.parseMatchingToken(tok::r_brace, rBraceLoc, diag::expected_sil_rbrace,
|
|
lBraceLoc))
|
|
return true;
|
|
}
|
|
|
|
SILDifferentiabilityWitness::createDefinition(
|
|
M, linkage ? *linkage : SILLinkage::DefaultForDefinition, originalFn,
|
|
config.parameterIndices, config.resultIndices,
|
|
config.derivativeGenericSignature, jvp, vjp, isSerialized);
|
|
return false;
|
|
}
|
|
|
|
llvm::Optional<llvm::coverage::Counter> SILParser::parseSILCoverageExpr(
|
|
llvm::coverage::CounterExpressionBuilder &Builder) {
|
|
if (P.Tok.is(tok::integer_literal)) {
|
|
unsigned CounterId;
|
|
if (parseInteger(CounterId, diag::sil_coverage_invalid_counter))
|
|
return None;
|
|
return llvm::coverage::Counter::getCounter(CounterId);
|
|
}
|
|
|
|
if (P.Tok.is(tok::identifier)) {
|
|
Identifier Zero;
|
|
SourceLoc Loc;
|
|
if (parseSILIdentifier(Zero, Loc, diag::sil_coverage_invalid_counter))
|
|
return None;
|
|
if (Zero.str() != "zero") {
|
|
P.diagnose(Loc, diag::sil_coverage_invalid_counter);
|
|
return None;
|
|
}
|
|
return llvm::coverage::Counter::getZero();
|
|
}
|
|
|
|
if (P.Tok.is(tok::l_paren)) {
|
|
P.consumeToken(tok::l_paren);
|
|
auto LHS = parseSILCoverageExpr(Builder);
|
|
if (!LHS)
|
|
return None;
|
|
Identifier Operator;
|
|
SourceLoc Loc;
|
|
if (P.parseAnyIdentifier(Operator, Loc,
|
|
diag::sil_coverage_invalid_operator))
|
|
return None;
|
|
if (Operator.str() != "+" && Operator.str() != "-") {
|
|
P.diagnose(Loc, diag::sil_coverage_invalid_operator);
|
|
return None;
|
|
}
|
|
auto RHS = parseSILCoverageExpr(Builder);
|
|
if (!RHS)
|
|
return None;
|
|
if (P.parseToken(tok::r_paren, diag::sil_coverage_expected_rparen))
|
|
return None;
|
|
|
|
if (Operator.str() == "+")
|
|
return Builder.add(*LHS, *RHS);
|
|
return Builder.subtract(*LHS, *RHS);
|
|
}
|
|
|
|
P.diagnose(P.Tok, diag::sil_coverage_invalid_counter);
|
|
return None;
|
|
}
|
|
|
|
/// decl-sil-coverage-map ::= 'sil_coverage_map' CoveredName PGOFuncName CoverageHash
|
|
/// decl-sil-coverage-body
|
|
/// decl-sil-coverage-body:
|
|
/// '{' sil-coverage-entry* '}'
|
|
/// sil-coverage-entry:
|
|
/// sil-coverage-loc ':' sil-coverage-expr
|
|
/// sil-coverage-loc:
|
|
/// StartLine ':' StartCol '->' EndLine ':' EndCol
|
|
/// sil-coverage-expr:
|
|
/// ...
|
|
bool SILParserTUState::parseSILCoverageMap(Parser &P) {
|
|
P.consumeToken(tok::kw_sil_coverage_map);
|
|
SILParser State(P);
|
|
|
|
// Parse the filename.
|
|
Identifier Filename;
|
|
SourceLoc FileLoc;
|
|
if (State.parseSILIdentifier(Filename, FileLoc,
|
|
diag::expected_sil_value_name))
|
|
return true;
|
|
|
|
// Parse the covered name.
|
|
if (!P.Tok.is(tok::string_literal)) {
|
|
P.diagnose(P.Tok, diag::sil_coverage_expected_quote);
|
|
return true;
|
|
}
|
|
StringRef FuncName = P.Tok.getText().drop_front().drop_back();
|
|
P.consumeToken();
|
|
|
|
// Parse the PGO func name.
|
|
if (!P.Tok.is(tok::string_literal)) {
|
|
P.diagnose(P.Tok, diag::sil_coverage_expected_quote);
|
|
return true;
|
|
}
|
|
StringRef PGOFuncName = P.Tok.getText().drop_front().drop_back();
|
|
P.consumeToken();
|
|
|
|
uint64_t Hash;
|
|
if (State.parseInteger(Hash, diag::sil_coverage_invalid_hash))
|
|
return true;
|
|
|
|
if (!P.Tok.is(tok::l_brace)) {
|
|
P.diagnose(P.Tok, diag::sil_coverage_expected_lbrace);
|
|
return true;
|
|
}
|
|
SourceLoc LBraceLoc = P.Tok.getLoc();
|
|
P.consumeToken(tok::l_brace);
|
|
|
|
llvm::coverage::CounterExpressionBuilder Builder;
|
|
std::vector<SILCoverageMap::MappedRegion> Regions;
|
|
bool BodyHasError = false;
|
|
if (P.Tok.isNot(tok::r_brace)) {
|
|
do {
|
|
unsigned StartLine, StartCol, EndLine, EndCol;
|
|
if (State.parseInteger(StartLine, diag::sil_coverage_expected_loc) ||
|
|
P.parseToken(tok::colon, diag::sil_coverage_expected_loc) ||
|
|
State.parseInteger(StartCol, diag::sil_coverage_expected_loc) ||
|
|
P.parseToken(tok::arrow, diag::sil_coverage_expected_arrow) ||
|
|
State.parseInteger(EndLine, diag::sil_coverage_expected_loc) ||
|
|
P.parseToken(tok::colon, diag::sil_coverage_expected_loc) ||
|
|
State.parseInteger(EndCol, diag::sil_coverage_expected_loc)) {
|
|
BodyHasError = true;
|
|
break;
|
|
}
|
|
|
|
if (P.parseToken(tok::colon, diag::sil_coverage_expected_colon)) {
|
|
BodyHasError = true;
|
|
break;
|
|
}
|
|
|
|
auto Counter = State.parseSILCoverageExpr(Builder);
|
|
if (!Counter) {
|
|
BodyHasError = true;
|
|
break;
|
|
}
|
|
|
|
Regions.emplace_back(StartLine, StartCol, EndLine, EndCol, *Counter);
|
|
} while (P.Tok.isNot(tok::r_brace) && P.Tok.isNot(tok::eof));
|
|
}
|
|
if (BodyHasError)
|
|
P.skipUntilDeclRBrace();
|
|
|
|
SourceLoc RBraceLoc;
|
|
P.parseMatchingToken(tok::r_brace, RBraceLoc, diag::expected_sil_rbrace,
|
|
LBraceLoc);
|
|
|
|
if (!BodyHasError)
|
|
SILCoverageMap::create(M, Filename.str(), FuncName.str(), PGOFuncName.str(),
|
|
Hash, Regions, Builder.getExpressions());
|
|
return false;
|
|
}
|
|
|
|
/// sil-scope-ref ::= 'scope' [0-9]+
|
|
/// sil-scope ::= 'sil_scope' [0-9]+ '{'
|
|
/// debug-loc
|
|
/// 'parent' scope-parent
|
|
/// ('inlined_at' sil-scope-ref)?
|
|
/// '}'
|
|
/// scope-parent ::= sil-function-name ':' sil-type
|
|
/// scope-parent ::= sil-scope-ref
|
|
/// debug-loc ::= 'loc' string-literal ':' [0-9]+ ':' [0-9]+
|
|
bool SILParserTUState::parseSILScope(Parser &P) {
|
|
P.consumeToken(tok::kw_sil_scope);
|
|
SILParser ScopeState(P);
|
|
|
|
SourceLoc SlotLoc = P.Tok.getLoc();
|
|
unsigned Slot;
|
|
if (ScopeState.parseInteger(Slot, diag::sil_invalid_scope_slot))
|
|
return true;
|
|
|
|
SourceLoc LBraceLoc = P.Tok.getLoc();
|
|
P.consumeToken(tok::l_brace);
|
|
|
|
StringRef Key = P.Tok.getText();
|
|
RegularLocation Loc{SILLocation::DebugLoc()};
|
|
if (Key == "loc")
|
|
if (ScopeState.parseSILLocation(Loc))
|
|
return true;
|
|
ScopeState.parseVerbatim("parent");
|
|
Identifier FnName;
|
|
SILDebugScope *Parent = nullptr;
|
|
SILFunction *ParentFn = nullptr;
|
|
if (P.Tok.is(tok::integer_literal)) {
|
|
/// scope-parent ::= sil-scope-ref
|
|
if (ScopeState.parseScopeRef(Parent))
|
|
return true;
|
|
} else {
|
|
/// scope-parent ::= sil-function-name
|
|
SILType Ty;
|
|
SourceLoc FnLoc = P.Tok.getLoc();
|
|
// We need to turn on InSILBody to parse the function reference.
|
|
Lexer::SILBodyRAII Tmp(*P.L);
|
|
GenericEnvironment *IgnoredEnv;
|
|
Scope S(&P, ScopeKind::TopLevel);
|
|
Scope Body(&P, ScopeKind::FunctionBody);
|
|
if ((ScopeState.parseGlobalName(FnName)) ||
|
|
P.parseToken(tok::colon, diag::expected_sil_colon_value_ref) ||
|
|
ScopeState.parseSILType(Ty, IgnoredEnv, true))
|
|
return true;
|
|
|
|
// The function doesn't exist yet. Create a zombie forward declaration.
|
|
auto FnTy = Ty.getAs<SILFunctionType>();
|
|
if (!FnTy || !Ty.isObject()) {
|
|
P.diagnose(FnLoc, diag::expected_sil_function_type);
|
|
return true;
|
|
}
|
|
ParentFn = ScopeState.getGlobalNameForReference(FnName, FnTy, FnLoc, true);
|
|
ScopeState.TUState.PotentialZombieFns.insert(ParentFn);
|
|
}
|
|
|
|
SILDebugScope *InlinedAt = nullptr;
|
|
if (P.Tok.getText() == "inlined_at") {
|
|
P.consumeToken();
|
|
if (ScopeState.parseScopeRef(InlinedAt))
|
|
return true;
|
|
}
|
|
|
|
SourceLoc RBraceLoc;
|
|
P.parseMatchingToken(tok::r_brace, RBraceLoc, diag::expected_sil_rbrace,
|
|
LBraceLoc);
|
|
|
|
auto &Scope = ScopeSlots[Slot];
|
|
if (Scope) {
|
|
P.diagnose(SlotLoc, diag::sil_scope_redefined, Slot);
|
|
return true;
|
|
}
|
|
|
|
Scope = new (M) SILDebugScope(Loc, ParentFn, Parent, InlinedAt);
|
|
return false;
|
|
}
|