forked from OSchip/llvm-project
370 lines
11 KiB
C++
370 lines
11 KiB
C++
//===--- Protocol.cpp - Language Server Protocol Implementation -----------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains the serialization code for the LSP structs.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "Protocol.h"
|
|
#include "clang/Basic/LLVM.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/Support/Format.h"
|
|
#include "llvm/Support/FormatVariadic.h"
|
|
#include "llvm/Support/Path.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
namespace clang {
|
|
namespace clangd {
|
|
|
|
URI URI::fromUri(llvm::StringRef uri) {
|
|
URI Result;
|
|
Result.uri = uri;
|
|
uri.consume_front("file://");
|
|
// Also trim authority-less URIs
|
|
uri.consume_front("file:");
|
|
// For Windows paths e.g. /X:
|
|
if (uri.size() > 2 && uri[0] == '/' && uri[2] == ':')
|
|
uri.consume_front("/");
|
|
// Make sure that file paths are in native separators
|
|
Result.file = llvm::sys::path::convert_to_slash(uri);
|
|
return Result;
|
|
}
|
|
|
|
URI URI::fromFile(llvm::StringRef file) {
|
|
using namespace llvm::sys;
|
|
URI Result;
|
|
Result.file = file;
|
|
Result.uri = "file://";
|
|
// For Windows paths e.g. X:
|
|
if (file.size() > 1 && file[1] == ':')
|
|
Result.uri += "/";
|
|
// Make sure that uri paths are with posix separators
|
|
Result.uri += path::convert_to_slash(file, path::Style::posix);
|
|
return Result;
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &E, URI &R) {
|
|
if (auto S = E.asString()) {
|
|
R = URI::fromUri(*S);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
json::Expr toJSON(const URI &U) { return U.uri; }
|
|
|
|
bool fromJSON(const json::Expr &Params, TextDocumentIdentifier &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("uri", R.uri);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, Position &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("line", R.line) && O.map("character", R.character);
|
|
}
|
|
|
|
json::Expr toJSON(const Position &P) {
|
|
return json::obj{
|
|
{"line", P.line},
|
|
{"character", P.character},
|
|
};
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, Range &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("start", R.start) && O.map("end", R.end);
|
|
}
|
|
|
|
json::Expr toJSON(const Range &P) {
|
|
return json::obj{
|
|
{"start", P.start},
|
|
{"end", P.end},
|
|
};
|
|
}
|
|
|
|
json::Expr toJSON(const Location &P) {
|
|
return json::obj{
|
|
{"uri", P.uri},
|
|
{"range", P.range},
|
|
};
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, TextDocumentItem &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("uri", R.uri) && O.map("languageId", R.languageId) &&
|
|
O.map("version", R.version) && O.map("text", R.text);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, Metadata &R) {
|
|
json::ObjectMapper O(Params);
|
|
if (!O)
|
|
return false;
|
|
O.map("extraFlags", R.extraFlags);
|
|
return true;
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, TextEdit &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("range", R.range) && O.map("newText", R.newText);
|
|
}
|
|
|
|
json::Expr toJSON(const TextEdit &P) {
|
|
return json::obj{
|
|
{"range", P.range},
|
|
{"newText", P.newText},
|
|
};
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &E, TraceLevel &Out) {
|
|
if (auto S = E.asString()) {
|
|
if (*S == "off") {
|
|
Out = TraceLevel::Off;
|
|
return true;
|
|
} else if (*S == "messages") {
|
|
Out = TraceLevel::Messages;
|
|
return true;
|
|
} else if (*S == "verbose") {
|
|
Out = TraceLevel::Verbose;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, InitializeParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
if (!O)
|
|
return false;
|
|
// We deliberately don't fail if we can't parse individual fields.
|
|
// Failing to handle a slightly malformed initialize would be a disaster.
|
|
O.map("processId", R.processId);
|
|
O.map("rootUri", R.rootUri);
|
|
O.map("rootPath", R.rootPath);
|
|
O.map("trace", R.trace);
|
|
// initializationOptions, capabilities unused
|
|
return true;
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, DidOpenTextDocumentParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument) &&
|
|
O.map("metadata", R.metadata);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, DidCloseTextDocumentParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, DidChangeTextDocumentParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument) &&
|
|
O.map("contentChanges", R.contentChanges);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &E, FileChangeType &Out) {
|
|
if (auto T = E.asInteger()) {
|
|
if (*T < static_cast<int>(FileChangeType::Created) ||
|
|
*T > static_cast<int>(FileChangeType::Deleted))
|
|
return false;
|
|
Out = static_cast<FileChangeType>(*T);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, FileEvent &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("uri", R.uri) && O.map("type", R.type);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, DidChangeWatchedFilesParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("changes", R.changes);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, TextDocumentContentChangeEvent &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("text", R.text);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, FormattingOptions &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("tabSize", R.tabSize) &&
|
|
O.map("insertSpaces", R.insertSpaces);
|
|
}
|
|
|
|
json::Expr toJSON(const FormattingOptions &P) {
|
|
return json::obj{
|
|
{"tabSize", P.tabSize},
|
|
{"insertSpaces", P.insertSpaces},
|
|
};
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, DocumentRangeFormattingParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument) &&
|
|
O.map("range", R.range) && O.map("options", R.options);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, DocumentOnTypeFormattingParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument) &&
|
|
O.map("position", R.position) && O.map("ch", R.ch) &&
|
|
O.map("options", R.options);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, DocumentFormattingParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument) &&
|
|
O.map("options", R.options);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, Diagnostic &R) {
|
|
json::ObjectMapper O(Params);
|
|
if (!O || !O.map("range", R.range) || !O.map("message", R.message))
|
|
return false;
|
|
O.map("severity", R.severity);
|
|
return true;
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, CodeActionContext &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("diagnostics", R.diagnostics);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, CodeActionParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument) &&
|
|
O.map("range", R.range) && O.map("context", R.context);
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, WorkspaceEdit &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("changes", R.changes);
|
|
}
|
|
|
|
const std::string ExecuteCommandParams::CLANGD_APPLY_FIX_COMMAND =
|
|
"clangd.applyFix";
|
|
|
|
bool fromJSON(const json::Expr &Params, ExecuteCommandParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
if (!O || !O.map("command", R.command))
|
|
return false;
|
|
|
|
auto Args = Params.asObject()->getArray("arguments");
|
|
if (R.command == ExecuteCommandParams::CLANGD_APPLY_FIX_COMMAND) {
|
|
return Args && Args->size() == 1 &&
|
|
fromJSON(Args->front(), R.workspaceEdit);
|
|
}
|
|
return false; // Unrecognized command.
|
|
}
|
|
|
|
json::Expr toJSON(const WorkspaceEdit &WE) {
|
|
if (!WE.changes)
|
|
return json::obj{};
|
|
json::obj FileChanges;
|
|
for (auto &Change : *WE.changes)
|
|
FileChanges[Change.first] = json::ary(Change.second);
|
|
return json::obj{{"changes", std::move(FileChanges)}};
|
|
}
|
|
|
|
json::Expr toJSON(const ApplyWorkspaceEditParams &Params) {
|
|
return json::obj{{"edit", Params.edit}};
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, TextDocumentPositionParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument) &&
|
|
O.map("position", R.position);
|
|
}
|
|
|
|
json::Expr toJSON(const CompletionItem &CI) {
|
|
assert(!CI.label.empty() && "completion item label is required");
|
|
json::obj Result{{"label", CI.label}};
|
|
if (CI.kind != CompletionItemKind::Missing)
|
|
Result["kind"] = static_cast<int>(CI.kind);
|
|
if (!CI.detail.empty())
|
|
Result["detail"] = CI.detail;
|
|
if (!CI.documentation.empty())
|
|
Result["documentation"] = CI.documentation;
|
|
if (!CI.sortText.empty())
|
|
Result["sortText"] = CI.sortText;
|
|
if (!CI.filterText.empty())
|
|
Result["filterText"] = CI.filterText;
|
|
if (!CI.insertText.empty())
|
|
Result["insertText"] = CI.insertText;
|
|
if (CI.insertTextFormat != InsertTextFormat::Missing)
|
|
Result["insertTextFormat"] = static_cast<int>(CI.insertTextFormat);
|
|
if (CI.textEdit)
|
|
Result["textEdit"] = *CI.textEdit;
|
|
if (!CI.additionalTextEdits.empty())
|
|
Result["additionalTextEdits"] = json::ary(CI.additionalTextEdits);
|
|
return std::move(Result);
|
|
}
|
|
|
|
bool operator<(const CompletionItem &L, const CompletionItem &R) {
|
|
return (L.sortText.empty() ? L.label : L.sortText) <
|
|
(R.sortText.empty() ? R.label : R.sortText);
|
|
}
|
|
|
|
json::Expr toJSON(const CompletionList &L) {
|
|
return json::obj{
|
|
{"isIncomplete", L.isIncomplete},
|
|
{"items", json::ary(L.items)},
|
|
};
|
|
}
|
|
|
|
json::Expr toJSON(const ParameterInformation &PI) {
|
|
assert(!PI.label.empty() && "parameter information label is required");
|
|
json::obj Result{{"label", PI.label}};
|
|
if (!PI.documentation.empty())
|
|
Result["documentation"] = PI.documentation;
|
|
return std::move(Result);
|
|
}
|
|
|
|
json::Expr toJSON(const SignatureInformation &SI) {
|
|
assert(!SI.label.empty() && "signature information label is required");
|
|
json::obj Result{
|
|
{"label", SI.label},
|
|
{"parameters", json::ary(SI.parameters)},
|
|
};
|
|
if (!SI.documentation.empty())
|
|
Result["documentation"] = SI.documentation;
|
|
return std::move(Result);
|
|
}
|
|
|
|
json::Expr toJSON(const SignatureHelp &SH) {
|
|
assert(SH.activeSignature >= 0 &&
|
|
"Unexpected negative value for number of active signatures.");
|
|
assert(SH.activeParameter >= 0 &&
|
|
"Unexpected negative value for active parameter index");
|
|
return json::obj{
|
|
{"activeSignature", SH.activeSignature},
|
|
{"activeParameter", SH.activeParameter},
|
|
{"signatures", json::ary(SH.signatures)},
|
|
};
|
|
}
|
|
|
|
bool fromJSON(const json::Expr &Params, RenameParams &R) {
|
|
json::ObjectMapper O(Params);
|
|
return O && O.map("textDocument", R.textDocument) &&
|
|
O.map("position", R.position) && O.map("newName", R.newName);
|
|
}
|
|
|
|
json::Expr toJSON(const DocumentHighlight &DH) {
|
|
return json::obj{
|
|
{"range", toJSON(DH.range)},
|
|
{"kind", static_cast<int>(DH.kind)},
|
|
};
|
|
}
|
|
|
|
} // namespace clangd
|
|
} // namespace clang
|