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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"
using namespace clang;
using namespace clang::clangd;
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 static factory method: parse(yaml::MappingNode*).
struct HandlerRegisterer {
template <typename Param>
void operator()(StringRef Method,
void (ProtocolCallbacks::*Handler)(RequestContext, Param)) {
// Capture pointers by value, as the lambda will outlive this object.
auto *Out = this->Out;
auto *Callbacks = this->Callbacks;
Dispatcher.registerHandler(
Method, [=](RequestContext C, llvm::yaml::MappingNode *RawParams) {
if (auto P = std::decay<Param>::type::parse(RawParams, *Out)) {
(Callbacks->*Handler)(std::move(C), *P);
} else {
Out->log("Failed to decode " + Method + " request.\n");
}
});
}
JSONRPCDispatcher &Dispatcher;
JSONOutput *Out;
ProtocolCallbacks *Callbacks;
};
} // namespace
void clangd::registerCallbackHandlers(JSONRPCDispatcher &Dispatcher,
JSONOutput &Out,
ProtocolCallbacks &Callbacks) {
HandlerRegisterer Register{Dispatcher, &Out, &Callbacks};
Register("initialize", &ProtocolCallbacks::onInitialize);
Register("shutdown", &ProtocolCallbacks::onShutdown);
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/switchSourceHeader",
&ProtocolCallbacks::onSwitchSourceHeader);
Register("workspace/didChangeWatchedFiles", &ProtocolCallbacks::onFileEvent);
}
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