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Implement textDocument/foldingRange

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This commit is contained in:
Fangrui Song 2018-10-23 20:48:12 -07:00
parent f6472061d3
commit 617cdd89de
3 changed files with 65 additions and 1 deletions
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1
CMakeLists.txt
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@ -220,6 +220,7 @@ target_sources(ccls PRIVATE
src/messages/textDocument_completion.cc
src/messages/textDocument_definition.cc
src/messages/textDocument_did.cc
src/messages/textDocument_foldingRange.cc
src/messages/textDocument_formatting.cc
src/messages/textDocument_documentHighlight.cc
src/messages/textDocument_documentSymbol.cc

4
src/messages/initialize.cc
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@ -160,6 +160,7 @@ struct lsServerCapabilities {
bool renameProvider = true;
// The server provides document link support.
lsDocumentLinkOptions documentLinkProvider;
bool foldingRangeProvider = true;
// The server provides execute command support.
struct ExecuteCommandOptions {
std::vector<std::string> commands{std::string(ccls_xref)};
@ -184,7 +185,8 @@ MAKE_REFLECT_STRUCT(lsServerCapabilities, textDocumentSync, hoverProvider,
codeLensProvider, documentFormattingProvider,
documentRangeFormattingProvider,
documentOnTypeFormattingProvider, renameProvider,
documentLinkProvider, executeCommandProvider, workspace);
documentLinkProvider, foldingRangeProvider,
executeCommandProvider, workspace);
// Workspace specific client capabilities.
struct lsWorkspaceClientCapabilites {

61
src/messages/textDocument_foldingRange.cc Normal file
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@ -0,0 +1,61 @@
// Copyright 2017-2018 ccls Authors
// SPDX-License-Identifier: Apache-2.0
#include "message_handler.h"
#include "pipeline.hh"
#include "project.h"
#include "query_utils.h"
#include "working_files.h"
namespace ccls {
namespace {
MethodType foldingRange = "textDocument/foldingRange";
struct In_textDocumentFoldingRange : public RequestMessage {
MethodType GetMethodType() const override { return foldingRange; }
struct Params {
lsTextDocumentIdentifier textDocument;
} params;
};
MAKE_REFLECT_STRUCT(In_textDocumentFoldingRange::Params, textDocument);
MAKE_REFLECT_STRUCT(In_textDocumentFoldingRange, id, params);
REGISTER_IN_MESSAGE(In_textDocumentFoldingRange);
struct FoldingRange {
int startLine, startCharacter, endLine, endCharacter;
std::string kind = "region";
};
MAKE_REFLECT_STRUCT(FoldingRange, startLine, startCharacter, endLine, endCharacter, kind);
struct Handler_textDocumentFoldingRange
: BaseMessageHandler<In_textDocumentFoldingRange> {
MethodType GetMethodType() const override { return foldingRange; }
void Run(In_textDocumentFoldingRange *request) override {
QueryFile *file;
if (!FindFileOrFail(db, project, request->id,
request->params.textDocument.uri.GetPath(), &file,
nullptr))
return;
WorkingFile *wfile =
working_files->GetFileByFilename(file->def->path);
if (!wfile)
return;
std::vector<FoldingRange> result;
std::optional<lsRange> ls_range;
for (auto [sym, refcnt] : file->symbol2refcnt)
if (refcnt > 0 && sym.extent.Valid() &&
(sym.kind == SymbolKind::Func || sym.kind == SymbolKind::Type) &&
(ls_range = GetLsRange(wfile, sym.extent))) {
FoldingRange &fold = result.emplace_back();
fold.startLine = ls_range->start.line;
fold.startCharacter = ls_range->start.character;
fold.endLine = ls_range->end.line;
fold.endCharacter = ls_range->end.character;
}
pipeline::Reply(request->id, result);
}
};
REGISTER_MESSAGE_HANDLER(Handler_textDocumentFoldingRange);
} // namespace
} // namespace ccls