forked from OSchip/llvm-project
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
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//===--- Format.h - automatic code formatting ---------------*- 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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//
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// Clangd uses clang-format for formatting operations.
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// This file adapts it to support new scenarios like format-on-type.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_FORMAT_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_FORMAT_H
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#include "Protocol.h"
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#include "clang/Format/Format.h"
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#include "clang/Tooling/Core/Replacement.h"
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#include "llvm/ADT/StringRef.h"
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namespace clang {
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namespace clangd {
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/// Applies limited formatting around new \p InsertedText.
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/// The \p Code already contains the updated text before \p Cursor, and may have
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/// had additional / characters (such as indentation) inserted by the editor.
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///
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/// Example breaking a line (^ is the cursor):
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/// === before newline is typed ===
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/// if(1){^}
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/// === after newline is typed and editor indents ===
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/// if(1){
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/// ^}
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/// === after formatIncremental(InsertedText="\n") ===
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/// if (1) {
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/// ^
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/// }
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///
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/// We return sorted vector<tooling::Replacement>, not tooling::Replacements!
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/// We may insert text both before and after the cursor. tooling::Replacements
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/// would merge these, and thus lose information about cursor position.
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std::vector<tooling::Replacement>
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formatIncremental(llvm::StringRef Code, unsigned Cursor,
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llvm::StringRef InsertedText, format::FormatStyle Style);
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/// Determine the new cursor position after applying \p Replacements.
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/// Analogue of tooling::Replacements::getShiftedCodePosition().
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unsigned
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transformCursorPosition(unsigned Offset,
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const std::vector<tooling::Replacement> &Replacements);
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} // namespace clangd
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} // namespace clang
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#endif
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