mirror of
https://github.com/MaskRay/ccls.git
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77 lines
2.3 KiB
C++
77 lines
2.3 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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using namespace ccls;
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namespace {
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MethodType kMethodType = "$ccls/vars";
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struct In_CclsVars : public RequestInMessage {
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MethodType GetMethodType() const override { return kMethodType; }
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struct Params : lsTextDocumentPositionParams {
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// 1: field
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// 2: local
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// 4: parameter
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unsigned kind = ~0u;
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} params;
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};
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MAKE_REFLECT_STRUCT(In_CclsVars::Params, textDocument, position, kind);
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MAKE_REFLECT_STRUCT(In_CclsVars, id, params);
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REGISTER_IN_MESSAGE(In_CclsVars);
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struct Handler_CclsVars : BaseMessageHandler<In_CclsVars> {
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MethodType GetMethodType() const override { return kMethodType; }
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void Run(In_CclsVars *request) override {
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auto ¶ms = request->params;
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QueryFile *file;
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if (!FindFileOrFail(db, project, request->id,
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params.textDocument.uri.GetPath(), &file))
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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_LocationList out;
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out.id = request->id;
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for (SymbolRef sym :
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FindSymbolsAtLocation(working_file, file, params.position)) {
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Usr usr = sym.usr;
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switch (sym.kind) {
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default:
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break;
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case SymbolKind::Var: {
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const QueryVar::Def *def = db->GetVar(sym).AnyDef();
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if (!def || !def->type)
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continue;
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usr = def->type;
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[[fallthrough]];
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}
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case SymbolKind::Type:
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out.result = GetLsLocationExs(
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db, working_files,
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GetVarDeclarations(db, db->Type(usr).instances, params.kind));
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break;
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}
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}
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pipeline::WriteStdout(kMethodType, out);
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}
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};
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REGISTER_MESSAGE_HANDLER(Handler_CclsVars);
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} // namespace
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