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102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/* Copyright 2017-2018 ccls Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "message_handler.h"
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#include "pipeline.hh"
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#include "query_utils.h"
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#include "symbol.h"
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#include <algorithm>
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using namespace ccls;
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namespace {
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MethodType kMethodType = "textDocument/documentHighlight";
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struct lsDocumentHighlight {
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enum Kind { Text = 1, Read = 2, Write = 3 };
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lsRange range;
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int kind = 1;
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// ccls extension
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Role role = Role::None;
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bool operator<(const lsDocumentHighlight &o) const {
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return !(range == o.range) ? range < o.range : kind < o.kind;
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}
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};
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MAKE_REFLECT_STRUCT(lsDocumentHighlight, range, kind, role);
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struct In_TextDocumentDocumentHighlight : public RequestInMessage {
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MethodType GetMethodType() const override { return kMethodType; }
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lsTextDocumentPositionParams params;
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};
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MAKE_REFLECT_STRUCT(In_TextDocumentDocumentHighlight, id, params);
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REGISTER_IN_MESSAGE(In_TextDocumentDocumentHighlight);
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struct Out_TextDocumentDocumentHighlight
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: public lsOutMessage<Out_TextDocumentDocumentHighlight> {
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lsRequestId id;
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std::vector<lsDocumentHighlight> result;
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};
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MAKE_REFLECT_STRUCT(Out_TextDocumentDocumentHighlight, jsonrpc, id, result);
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struct Handler_TextDocumentDocumentHighlight
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: BaseMessageHandler<In_TextDocumentDocumentHighlight> {
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MethodType GetMethodType() const override { return kMethodType; }
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void Run(In_TextDocumentDocumentHighlight *request) override {
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int file_id;
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QueryFile *file;
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if (!FindFileOrFail(db, project, request->id,
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request->params.textDocument.uri.GetPath(), &file,
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&file_id))
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return;
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WorkingFile *working_file =
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working_files->GetFileByFilename(file->def->path);
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Out_TextDocumentDocumentHighlight out;
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out.id = request->id;
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std::vector<SymbolRef> syms = FindSymbolsAtLocation(
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working_file, file, request->params.position, true);
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for (auto [sym, refcnt] : file->symbol2refcnt) {
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if (refcnt <= 0)
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continue;
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Usr usr = sym.usr;
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SymbolKind kind = sym.kind;
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if (std::none_of(syms.begin(), syms.end(), [&](auto &sym1) {
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return usr == sym1.usr && kind == sym1.kind;
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}))
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continue;
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if (auto loc = GetLsLocation(db, working_files, sym, file_id)) {
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lsDocumentHighlight highlight;
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highlight.range = loc->range;
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if (sym.role & Role::Write)
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highlight.kind = lsDocumentHighlight::Write;
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else if (sym.role & Role::Read)
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highlight.kind = lsDocumentHighlight::Read;
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else
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highlight.kind = lsDocumentHighlight::Text;
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highlight.role = sym.role;
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out.result.push_back(highlight);
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}
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}
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std::sort(out.result.begin(), out.result.end());
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pipeline::WriteStdout(kMethodType, out);
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}
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};
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REGISTER_MESSAGE_HANDLER(Handler_TextDocumentDocumentHighlight);
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} // namespace
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