2009-01-02 15:01:27 +08:00
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//===- Parser.cpp - Main dispatch module for the Parser library -----------===//
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2005-04-22 05:10:11 +08:00
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//
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2019-01-19 16:50:56 +08:00
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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2005-04-22 05:10:11 +08:00
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//
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2003-10-21 03:43:21 +08:00
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//===----------------------------------------------------------------------===//
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2001-06-07 04:29:01 +08:00
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//
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2014-01-07 20:34:26 +08:00
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// This library implements the functionality defined in llvm/AsmParser/Parser.h
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2001-06-07 04:29:01 +08:00
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//
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2009-01-02 15:01:27 +08:00
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//===----------------------------------------------------------------------===//
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2001-06-07 04:29:01 +08:00
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2014-01-07 20:34:26 +08:00
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#include "llvm/AsmParser/Parser.h"
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2009-01-02 15:01:27 +08:00
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#include "LLParser.h"
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2015-03-02 05:28:53 +08:00
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#include "llvm/ADT/STLExtras.h"
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2013-01-02 19:36:10 +08:00
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#include "llvm/IR/Module.h"
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2018-06-26 21:56:49 +08:00
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#include "llvm/IR/ModuleSummaryIndex.h"
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2007-11-18 16:46:26 +08:00
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#include "llvm/Support/MemoryBuffer.h"
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2012-12-04 00:50:05 +08:00
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#include "llvm/Support/SourceMgr.h"
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2008-02-20 19:08:44 +08:00
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#include <cstring>
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2014-06-13 01:38:55 +08:00
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#include <system_error>
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2020-04-16 19:37:46 +08:00
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2004-07-13 16:42:12 +08:00
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using namespace llvm;
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2003-11-12 06:41:34 +08:00
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2018-06-26 21:56:49 +08:00
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bool llvm::parseAssemblyInto(MemoryBufferRef F, Module *M,
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ModuleSummaryIndex *Index, SMDiagnostic &Err,
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2018-01-31 06:32:39 +08:00
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SlotMapping *Slots, bool UpgradeDebugInfo,
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StringRef DataLayoutString) {
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2009-09-03 01:18:19 +08:00
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SourceMgr SM;
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2015-05-21 04:41:27 +08:00
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std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(F);
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2014-08-27 05:49:01 +08:00
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SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
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2009-09-03 01:18:19 +08:00
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2018-06-26 21:56:49 +08:00
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LLVMContext Context;
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return LLParser(F.getBuffer(), SM, Err, M, Index,
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M ? M->getContext() : Context, Slots, UpgradeDebugInfo,
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2018-01-31 06:32:39 +08:00
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DataLayoutString)
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.Run();
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2014-08-20 06:05:47 +08:00
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}
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2017-10-03 02:31:29 +08:00
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std::unique_ptr<Module>
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llvm::parseAssembly(MemoryBufferRef F, SMDiagnostic &Err, LLVMContext &Context,
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2018-01-31 06:32:39 +08:00
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SlotMapping *Slots, bool UpgradeDebugInfo,
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StringRef DataLayoutString) {
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2014-08-20 00:58:54 +08:00
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std::unique_ptr<Module> M =
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2019-08-15 23:54:37 +08:00
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std::make_unique<Module>(F.getBufferIdentifier(), Context);
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2014-08-20 06:05:47 +08:00
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2018-06-26 21:56:49 +08:00
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if (parseAssemblyInto(F, M.get(), nullptr, Err, Slots, UpgradeDebugInfo,
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DataLayoutString))
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2014-04-15 14:32:26 +08:00
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return nullptr;
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2014-08-20 06:05:47 +08:00
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2015-01-17 08:46:44 +08:00
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return M;
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2009-09-03 01:18:19 +08:00
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}
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2018-01-31 06:32:39 +08:00
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std::unique_ptr<Module>
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llvm::parseAssemblyFile(StringRef Filename, SMDiagnostic &Err,
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LLVMContext &Context, SlotMapping *Slots,
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bool UpgradeDebugInfo, StringRef DataLayoutString) {
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2014-07-07 01:43:13 +08:00
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ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
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MemoryBuffer::getFileOrSTDIN(Filename);
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if (std::error_code EC = FileOrErr.getError()) {
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2011-10-16 13:43:57 +08:00
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Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
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2014-07-07 01:43:13 +08:00
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"Could not open input file: " + EC.message());
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2014-04-15 14:32:26 +08:00
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return nullptr;
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2001-06-07 04:29:01 +08:00
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}
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2009-01-03 06:46:48 +08:00
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2017-10-03 02:31:29 +08:00
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return parseAssembly(FileOrErr.get()->getMemBufferRef(), Err, Context, Slots,
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2018-01-31 06:32:39 +08:00
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UpgradeDebugInfo, DataLayoutString);
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2001-06-07 04:29:01 +08:00
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}
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2018-06-26 21:56:49 +08:00
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ParsedModuleAndIndex llvm::parseAssemblyWithIndex(
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MemoryBufferRef F, SMDiagnostic &Err, LLVMContext &Context,
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SlotMapping *Slots, bool UpgradeDebugInfo, StringRef DataLayoutString) {
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std::unique_ptr<Module> M =
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2019-08-15 23:54:37 +08:00
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std::make_unique<Module>(F.getBufferIdentifier(), Context);
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2018-06-26 21:56:49 +08:00
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std::unique_ptr<ModuleSummaryIndex> Index =
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2019-08-15 23:54:37 +08:00
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std::make_unique<ModuleSummaryIndex>(/*HaveGVs=*/true);
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2018-06-26 21:56:49 +08:00
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if (parseAssemblyInto(F, M.get(), Index.get(), Err, Slots, UpgradeDebugInfo,
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DataLayoutString))
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return {nullptr, nullptr};
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return {std::move(M), std::move(Index)};
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}
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ParsedModuleAndIndex llvm::parseAssemblyFileWithIndex(
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StringRef Filename, SMDiagnostic &Err, LLVMContext &Context,
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SlotMapping *Slots, bool UpgradeDebugInfo, StringRef DataLayoutString) {
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ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
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MemoryBuffer::getFileOrSTDIN(Filename);
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if (std::error_code EC = FileOrErr.getError()) {
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Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
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"Could not open input file: " + EC.message());
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return {nullptr, nullptr};
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}
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return parseAssemblyWithIndex(FileOrErr.get()->getMemBufferRef(), Err,
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Context, Slots, UpgradeDebugInfo,
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DataLayoutString);
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}
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2018-01-31 06:32:39 +08:00
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std::unique_ptr<Module>
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llvm::parseAssemblyString(StringRef AsmString, SMDiagnostic &Err,
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LLVMContext &Context, SlotMapping *Slots,
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bool UpgradeDebugInfo, StringRef DataLayoutString) {
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2014-08-27 05:49:01 +08:00
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MemoryBufferRef F(AsmString, "<string>");
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2018-01-31 06:32:39 +08:00
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return parseAssembly(F, Err, Context, Slots, UpgradeDebugInfo,
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DataLayoutString);
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2005-05-20 11:25:47 +08:00
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}
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2015-07-18 06:07:03 +08:00
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2018-06-26 21:56:49 +08:00
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static bool parseSummaryIndexAssemblyInto(MemoryBufferRef F,
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ModuleSummaryIndex &Index,
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SMDiagnostic &Err) {
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SourceMgr SM;
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std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(F);
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SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
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// The parser holds a reference to a context that is unused when parsing the
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// index, but we need to initialize it.
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LLVMContext unusedContext;
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return LLParser(F.getBuffer(), SM, Err, nullptr, &Index, unusedContext).Run();
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}
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std::unique_ptr<ModuleSummaryIndex>
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llvm::parseSummaryIndexAssembly(MemoryBufferRef F, SMDiagnostic &Err) {
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std::unique_ptr<ModuleSummaryIndex> Index =
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2019-08-15 23:54:37 +08:00
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std::make_unique<ModuleSummaryIndex>(/*HaveGVs=*/false);
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2018-06-26 21:56:49 +08:00
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if (parseSummaryIndexAssemblyInto(F, *Index, Err))
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return nullptr;
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return Index;
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}
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std::unique_ptr<ModuleSummaryIndex>
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llvm::parseSummaryIndexAssemblyFile(StringRef Filename, SMDiagnostic &Err) {
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ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
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MemoryBuffer::getFileOrSTDIN(Filename);
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if (std::error_code EC = FileOrErr.getError()) {
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Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
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"Could not open input file: " + EC.message());
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return nullptr;
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}
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return parseSummaryIndexAssembly(FileOrErr.get()->getMemBufferRef(), Err);
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}
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2015-07-18 06:07:03 +08:00
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Constant *llvm::parseConstantValue(StringRef Asm, SMDiagnostic &Err,
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2015-08-22 05:32:39 +08:00
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const Module &M, const SlotMapping *Slots) {
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2015-07-18 06:07:03 +08:00
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SourceMgr SM;
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std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(Asm);
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SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
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Constant *C;
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2018-06-26 21:56:49 +08:00
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if (LLParser(Asm, SM, Err, const_cast<Module *>(&M), nullptr, M.getContext())
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2015-08-22 05:32:39 +08:00
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.parseStandaloneConstantValue(C, Slots))
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2015-07-18 06:07:03 +08:00
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return nullptr;
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return C;
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}
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2016-03-08 06:09:05 +08:00
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Type *llvm::parseType(StringRef Asm, SMDiagnostic &Err, const Module &M,
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const SlotMapping *Slots) {
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2016-03-08 08:37:07 +08:00
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unsigned Read;
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Type *Ty = parseTypeAtBeginning(Asm, Read, Err, M, Slots);
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if (!Ty)
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return nullptr;
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if (Read != Asm.size()) {
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SourceMgr SM;
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std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(Asm);
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SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
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Err = SM.GetMessage(SMLoc::getFromPointer(Asm.begin() + Read),
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SourceMgr::DK_Error, "expected end of string");
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return nullptr;
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}
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return Ty;
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}
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Type *llvm::parseTypeAtBeginning(StringRef Asm, unsigned &Read,
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SMDiagnostic &Err, const Module &M,
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const SlotMapping *Slots) {
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2016-03-08 06:09:05 +08:00
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SourceMgr SM;
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std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(Asm);
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SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
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Type *Ty;
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2018-06-26 21:56:49 +08:00
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if (LLParser(Asm, SM, Err, const_cast<Module *>(&M), nullptr, M.getContext())
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2016-03-08 08:37:07 +08:00
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.parseTypeAtBeginning(Ty, Read, Slots))
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2016-03-08 06:09:05 +08:00
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return nullptr;
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return Ty;
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}
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