640ed21cce
These functions make it clear to the compiler and user what the intended behavior is so llvm can make them go as fast as possible. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D106807
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
//===-- Base class for header generation commands ---------------*- C++ -*-===//
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//
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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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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_UTILS_HDRGEN_COMMAND_H
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#define LLVM_LIBC_UTILS_HDRGEN_COMMAND_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/SourceMgr.h"
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#include <cstdlib>
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namespace llvm {
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class raw_ostream;
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class RecordKeeper;
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} // namespace llvm
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namespace llvm_libc {
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typedef llvm::SmallVector<llvm::StringRef, 4> ArgVector;
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class Command {
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public:
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class ErrorReporter {
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llvm::SMLoc Loc;
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const llvm::SourceMgr &SrcMgr;
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public:
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ErrorReporter(llvm::SMLoc L, llvm::SourceMgr &SM) : Loc(L), SrcMgr(SM) {}
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[[noreturn]] void printFatalError(llvm::Twine Msg) const {
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SrcMgr.PrintMessage(Loc, llvm::SourceMgr::DK_Error, Msg);
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std::exit(1);
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}
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};
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virtual ~Command();
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virtual void run(llvm::raw_ostream &OS, const ArgVector &Args,
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llvm::StringRef StdHeader, llvm::RecordKeeper &Records,
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const ErrorReporter &Reporter) const = 0;
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};
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} // namespace llvm_libc
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#endif // LLVM_LIBC_UTILS_HDRGEN_COMMAND_H
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