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70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
//===--- IRGenModule.cpp - Swift Global LLVM IR Generation ----------------===//
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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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//
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// This file implements IR generation for global declarations in Swift.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/AST/ASTContext.h"
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#include "swift/AST/Module.h"
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#include "swift/AST/Stmt.h"
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#include "llvm/Module.h"
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#include "llvm/Type.h"
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#include "llvm/ADT/PointerUnion.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/SourceMgr.h"
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#include "GenType.h"
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#include "IRGenModule.h"
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using namespace swift;
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using namespace irgen;
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IRGenModule::IRGenModule(ASTContext &Context, Options &Opts,
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llvm::Module &Module,
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const llvm::TargetData &TargetData)
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: Context(Context), Opts(Opts),
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Module(Module), LLVMContext(Module.getContext()),
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TargetData(TargetData), Types(*new TypeConverter()) {
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Int1Ty = llvm::Type::getInt1Ty(getLLVMContext());
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Int8Ty = llvm::Type::getInt8Ty(getLLVMContext());
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Int16Ty = llvm::Type::getInt16Ty(getLLVMContext());
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Int32Ty = llvm::Type::getInt32Ty(getLLVMContext());
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Int64Ty = llvm::Type::getInt64Ty(getLLVMContext());
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Int8PtrTy = llvm::Type::getInt8PtrTy(getLLVMContext());
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}
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IRGenModule::~IRGenModule() {
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delete &Types;
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}
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/// Emit a top-level context.
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void IRGenModule::emitTopLevel(BraceStmt *Body) {
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for (auto Elt : Body->getElements()) {
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if (Decl *D = Elt.dyn_cast<Decl*>())
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emitGlobalDecl(D);
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// TODO: handle top-level statements and expressions.
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}
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}
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/// Emit all the top-level code in the translation unit.
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void IRGenModule::emitTranslationUnit(TranslationUnit *TU) {
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// The semantics of the top-level BraceStmt are a bit different from
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// the normal semantics.
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emitTopLevel(TU->Body);
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}
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void IRGenModule::unimplemented(llvm::SMLoc Loc, const llvm::Twine &Message) {
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Context.SourceMgr.PrintMessage(Loc, Message, "error");
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Context.setHadError();
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}
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