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//===--- ProtocolHandlers.cpp - LSP callbacks -----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "ProtocolHandlers.h"
#include "ClangdLSPServer.h"
#include "ClangdServer.h"
#include "DraftStore.h"
#include "Trace.h"
using namespace clang;
using namespace clang::clangd;
using namespace llvm;
namespace {
// Helper for attaching ProtocolCallbacks methods to a JSONRPCDispatcher.
// Invoke like: Registerer("foo", &ProtocolCallbacks::onFoo)
// onFoo should be: void onFoo(Ctx &C, FooParams &Params)
// FooParams should have a fromJSON function.
struct HandlerRegisterer {
template <typename Param>
void operator()(StringRef Method, void (ProtocolCallbacks::*Handler)(Param)) {
// Capture pointers by value, as the lambda will outlive this object.
auto *Callbacks = this->Callbacks;
Dispatcher.registerHandler(Method, [=](const json::Value &RawParams) {
typename std::remove_reference<Param>::type P;
if (fromJSON(RawParams, P)) {
(Callbacks->*Handler)(P);
} else {
elog("Failed to decode {0} request.", Method);
}
});
}
JSONRPCDispatcher &Dispatcher;
ProtocolCallbacks *Callbacks;
};
} // namespace
void clangd::registerCallbackHandlers(JSONRPCDispatcher &Dispatcher,
ProtocolCallbacks &Callbacks) {
HandlerRegisterer Register{Dispatcher, &Callbacks};
Register("initialize", &ProtocolCallbacks::onInitialize);
Register("shutdown", &ProtocolCallbacks::onShutdown);
Register("exit", &ProtocolCallbacks::onExit);
Register("textDocument/didOpen", &ProtocolCallbacks::onDocumentDidOpen);
Register("textDocument/didClose", &ProtocolCallbacks::onDocumentDidClose);
Register("textDocument/didChange", &ProtocolCallbacks::onDocumentDidChange);
Register("textDocument/rangeFormatting",
&ProtocolCallbacks::onDocumentRangeFormatting);
Register("textDocument/onTypeFormatting",
&ProtocolCallbacks::onDocumentOnTypeFormatting);
Register("textDocument/formatting", &ProtocolCallbacks::onDocumentFormatting);
Register("textDocument/codeAction", &ProtocolCallbacks::onCodeAction);
Register("textDocument/completion", &ProtocolCallbacks::onCompletion);
Register("textDocument/signatureHelp", &ProtocolCallbacks::onSignatureHelp);
Register("textDocument/definition", &ProtocolCallbacks::onGoToDefinition);
Register("textDocument/references", &ProtocolCallbacks::onReference);
Register("textDocument/switchSourceHeader",
&ProtocolCallbacks::onSwitchSourceHeader);
Register("textDocument/rename", &ProtocolCallbacks::onRename);
Register("textDocument/hover", &ProtocolCallbacks::onHover);
Register("textDocument/documentSymbol", &ProtocolCallbacks::onDocumentSymbol);
Register("workspace/didChangeWatchedFiles", &ProtocolCallbacks::onFileEvent);
Register("workspace/executeCommand", &ProtocolCallbacks::onCommand);
Register("textDocument/documentHighlight",
&ProtocolCallbacks::onDocumentHighlight);
Register("workspace/didChangeConfiguration",
&ProtocolCallbacks::onChangeConfiguration);
Register("workspace/symbol", &ProtocolCallbacks::onWorkspaceSymbol);
}
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