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101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
//===--- SILFunction.cpp - Defines the SILFunction data structure ---------===//
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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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/SIL/Function.h"
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#include "swift/SIL/SILBuilder.h"
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#include "swift/SIL/SILModule.h"
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#include "swift/SIL/SILConstant.h"
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#include "swift/AST/ASTContext.h"
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#include "swift/AST/Decl.h"
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#include "swift/AST/Expr.h"
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#include "swift/AST/Pattern.h"
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#include "swift/AST/Types.h"
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using namespace swift;
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Function::~Function() {
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}
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static SILType toplevelFunctionType(ASTContext &C) {
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auto t = FunctionType::get(TupleType::getEmpty(C),
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TupleType::getEmpty(C),
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C);
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return SILType::getPreLoweredType(t,
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/*isAddress=*/false,
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/*isLoadable=*/true);
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}
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SILModule::SILModule(ASTContext &Context, bool hasTopLevel) :
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Context(Context), toplevel(nullptr) {
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if (hasTopLevel)
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toplevel = new (*this) Function(*this, toplevelFunctionType(Context));
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}
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SILModule::~SILModule() {
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}
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SILConstant::SILConstant(SILConstant::Loc baseLoc) {
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if (ValueDecl *vd = baseLoc.dyn_cast<ValueDecl*>()) {
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// Explicit getters and setters have independent decls, but we also need
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// to reference implicit getters and setters. For consistency, generate
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// getter and setter constants as references to the parent decl.
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if (FuncDecl *fd = dyn_cast<FuncDecl>(vd)) {
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if (fd->isGetterOrSetter()) {
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if (Decl *getterFor = fd->getGetterDecl()) {
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loc = cast<ValueDecl>(getterFor);
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id = Getter;
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} else if (Decl *setterFor = fd->getSetterDecl()) {
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loc = cast<ValueDecl>(setterFor);
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id = Setter;
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} else {
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llvm_unreachable("no getter or setter decl?!");
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}
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return;
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}
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}
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}
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loc = baseLoc;
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id = 0;
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}
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SILType SILType::getObjectPointerType(ASTContext &C) {
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return SILType(CanType(C.TheObjectPointerType),
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/*isAddress=*/false,
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/*isLoadable=*/true);
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}
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SILType SILType::getRawPointerType(ASTContext &C) {
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return SILType(CanType(C.TheRawPointerType),
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/*isAddress=*/false,
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/*isLoadable=*/true);
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}
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SILType SILType::getEmptyTupleType(ASTContext &C) {
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return SILType(CanType(TupleType::getEmpty(C)),
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/*isAddress=*/false,
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/*isLoadable=*/true);
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}
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SILType SILType::getBuiltinIntegerType(unsigned bitWidth, ASTContext &C) {
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return SILType(CanType(BuiltinIntegerType::get(bitWidth, C)),
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/*isAddress=*/false,
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/*isLoadable=*/true);
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}
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TupleInst *SILBuilder::createEmptyTuple(SILLocation Loc) {
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return createTuple(Loc,
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SILType::getEmptyTupleType(F.getContext()),
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ArrayRef<Value>());
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}
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