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25adca40ab
This fixes warnings raised by Clang's new -Wsuggest-override, in preparation for enabling that warning in the LLVM build. This patch also removes the virtual keyword where redundant, but only in places where doing so improves consistency within a given file. It also removes a couple unnecessary virtual destructor declarations in derived classes where the destructor inherited from the base class is already virtual. Differential Revision: https://reviews.llvm.org/D83709
110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
//===- FormatAdapters.h - Formatters for common LLVM types -----*- 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_SUPPORT_FORMATADAPTERS_H
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#define LLVM_SUPPORT_FORMATADAPTERS_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/FormatCommon.h"
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#include "llvm/Support/FormatVariadicDetails.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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template <typename T> class FormatAdapter : public detail::format_adapter {
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protected:
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explicit FormatAdapter(T &&Item) : Item(std::forward<T>(Item)) {}
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T Item;
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};
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namespace detail {
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template <typename T> class AlignAdapter final : public FormatAdapter<T> {
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AlignStyle Where;
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size_t Amount;
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char Fill;
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public:
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AlignAdapter(T &&Item, AlignStyle Where, size_t Amount, char Fill)
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: FormatAdapter<T>(std::forward<T>(Item)), Where(Where), Amount(Amount),
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Fill(Fill) {}
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void format(llvm::raw_ostream &Stream, StringRef Style) override {
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auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item));
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FmtAlign(Adapter, Where, Amount, Fill).format(Stream, Style);
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}
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};
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template <typename T> class PadAdapter final : public FormatAdapter<T> {
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size_t Left;
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size_t Right;
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public:
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PadAdapter(T &&Item, size_t Left, size_t Right)
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: FormatAdapter<T>(std::forward<T>(Item)), Left(Left), Right(Right) {}
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void format(llvm::raw_ostream &Stream, StringRef Style) override {
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auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item));
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Stream.indent(Left);
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Adapter.format(Stream, Style);
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Stream.indent(Right);
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}
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};
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template <typename T> class RepeatAdapter final : public FormatAdapter<T> {
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size_t Count;
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public:
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RepeatAdapter(T &&Item, size_t Count)
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: FormatAdapter<T>(std::forward<T>(Item)), Count(Count) {}
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void format(llvm::raw_ostream &Stream, StringRef Style) override {
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auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item));
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for (size_t I = 0; I < Count; ++I) {
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Adapter.format(Stream, Style);
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}
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}
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};
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class ErrorAdapter : public FormatAdapter<Error> {
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public:
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ErrorAdapter(Error &&Item) : FormatAdapter(std::move(Item)) {}
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ErrorAdapter(ErrorAdapter &&) = default;
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~ErrorAdapter() { consumeError(std::move(Item)); }
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void format(llvm::raw_ostream &Stream, StringRef Style) override {
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Stream << Item;
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}
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};
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}
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template <typename T>
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detail::AlignAdapter<T> fmt_align(T &&Item, AlignStyle Where, size_t Amount,
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char Fill = ' ') {
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return detail::AlignAdapter<T>(std::forward<T>(Item), Where, Amount, Fill);
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}
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template <typename T>
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detail::PadAdapter<T> fmt_pad(T &&Item, size_t Left, size_t Right) {
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return detail::PadAdapter<T>(std::forward<T>(Item), Left, Right);
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}
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template <typename T>
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detail::RepeatAdapter<T> fmt_repeat(T &&Item, size_t Count) {
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return detail::RepeatAdapter<T>(std::forward<T>(Item), Count);
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}
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// llvm::Error values must be consumed before being destroyed.
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// Wrapping an error in fmt_consume explicitly indicates that the formatv_object
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// should take ownership and consume it.
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inline detail::ErrorAdapter fmt_consume(Error &&Item) {
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return detail::ErrorAdapter(std::move(Item));
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}
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}
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#endif
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