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48f1a006b7
Since the introduction of "ColumnLimit: 120" in .clang-format, the column limit has become 120 characters instead of 80 characters. This prevents clang-format from generating too much changes even if just a small portion of a source file or header file is modified.
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// Copyright 2017-2018 ccls Authors
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// SPDX-License-Identifier: Apache-2.0
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#include "message_handler.hh"
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#include "query.hh"
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#include <clang/Basic/CharInfo.h>
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#include <unordered_set>
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using namespace clang;
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namespace ccls {
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namespace {
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WorkspaceEdit buildWorkspaceEdit(DB *db, WorkingFiles *wfiles, SymbolRef sym, std::string_view old_text,
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const std::string &new_text) {
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std::unordered_map<int, std::pair<WorkingFile *, TextDocumentEdit>> path2edit;
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std::unordered_map<int, std::unordered_set<Range>> edited;
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eachOccurrence(db, sym, true, [&](Use use) {
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int file_id = use.file_id;
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QueryFile &file = db->files[file_id];
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if (!file.def || !edited[file_id].insert(use.range).second)
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return;
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std::optional<Location> loc = getLsLocation(db, wfiles, use);
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if (!loc)
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return;
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auto [it, inserted] = path2edit.try_emplace(file_id);
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auto &edit = it->second.second;
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if (inserted) {
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const std::string &path = file.def->path;
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edit.textDocument.uri = DocumentUri::fromPath(path);
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if ((it->second.first = wfiles->getFile(path)))
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edit.textDocument.version = it->second.first->version;
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}
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// TODO LoadIndexedContent if wf is nullptr.
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if (WorkingFile *wf = it->second.first) {
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int start = getOffsetForPosition(loc->range.start, wf->buffer_content),
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end = getOffsetForPosition(loc->range.end, wf->buffer_content);
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if (wf->buffer_content.compare(start, end - start, old_text))
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return;
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}
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edit.edits.push_back({loc->range, new_text});
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});
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WorkspaceEdit ret;
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for (auto &x : path2edit)
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ret.documentChanges.push_back(std::move(x.second.second));
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return ret;
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}
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} // namespace
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void MessageHandler::textDocument_rename(RenameParam ¶m, ReplyOnce &reply) {
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auto [file, wf] = findOrFail(param.textDocument.uri.getPath(), reply);
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if (!wf)
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return;
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WorkspaceEdit result;
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for (SymbolRef sym : findSymbolsAtLocation(wf, file, param.position)) {
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result =
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buildWorkspaceEdit(db, wfiles, sym, lexIdentifierAroundPos(param.position, wf->buffer_content), param.newName);
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break;
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}
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reply(result);
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}
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} // namespace ccls
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