forked from OSchip/llvm-project
645 lines
20 KiB
C++
645 lines
20 KiB
C++
//===--- Protocol.cpp - Language Server Protocol Implementation -----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the serialization code for the LSP structs.
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// FIXME: This is extremely repetetive and ugly. Is there a better way?
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//
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//===----------------------------------------------------------------------===//
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#include "Protocol.h"
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#include "clang/Basic/LLVM.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/Format.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace clang::clangd;
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llvm::Optional<TextDocumentIdentifier>
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TextDocumentIdentifier::parse(llvm::yaml::MappingNode *Params) {
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TextDocumentIdentifier Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::ScalarNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "uri") {
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Result.uri = Value->getValue(Storage);
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} else if (KeyValue == "version") {
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// FIXME: parse version, but only for VersionedTextDocumentIdentifiers.
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<Position> Position::parse(llvm::yaml::MappingNode *Params) {
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Position Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::ScalarNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "line") {
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long long Val;
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if (llvm::getAsSignedInteger(Value->getValue(Storage), 0, Val))
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return llvm::None;
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Result.line = Val;
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} else if (KeyValue == "character") {
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long long Val;
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if (llvm::getAsSignedInteger(Value->getValue(Storage), 0, Val))
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return llvm::None;
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Result.character = Val;
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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std::string Position::unparse(const Position &P) {
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std::string Result;
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llvm::raw_string_ostream(Result)
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<< llvm::format(R"({"line": %d, "character": %d})", P.line, P.character);
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return Result;
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}
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llvm::Optional<Range> Range::parse(llvm::yaml::MappingNode *Params) {
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Range Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::MappingNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "start") {
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auto Parsed = Position::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.start = std::move(*Parsed);
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} else if (KeyValue == "end") {
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auto Parsed = Position::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.end = std::move(*Parsed);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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std::string Range::unparse(const Range &P) {
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std::string Result;
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llvm::raw_string_ostream(Result) << llvm::format(
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R"({"start": %s, "end": %s})", Position::unparse(P.start).c_str(),
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Position::unparse(P.end).c_str());
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return Result;
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}
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llvm::Optional<TextDocumentItem>
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TextDocumentItem::parse(llvm::yaml::MappingNode *Params) {
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TextDocumentItem Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::ScalarNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "uri") {
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Result.uri = Value->getValue(Storage);
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} else if (KeyValue == "languageId") {
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Result.languageId = Value->getValue(Storage);
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} else if (KeyValue == "version") {
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long long Val;
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if (llvm::getAsSignedInteger(Value->getValue(Storage), 0, Val))
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return llvm::None;
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Result.version = Val;
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} else if (KeyValue == "text") {
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Result.text = Value->getValue(Storage);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<TextEdit> TextEdit::parse(llvm::yaml::MappingNode *Params) {
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TextEdit Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value = NextKeyValue.getValue();
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llvm::SmallString<10> Storage;
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if (KeyValue == "range") {
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auto *Map = dyn_cast<llvm::yaml::MappingNode>(Value);
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if (!Map)
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return llvm::None;
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auto Parsed = Range::parse(Map);
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if (!Parsed)
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return llvm::None;
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Result.range = std::move(*Parsed);
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} else if (KeyValue == "newText") {
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auto *Node = dyn_cast<llvm::yaml::ScalarNode>(Value);
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if (!Node)
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return llvm::None;
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Result.newText = Node->getValue(Storage);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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std::string TextEdit::unparse(const TextEdit &P) {
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std::string Result;
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llvm::raw_string_ostream(Result) << llvm::format(
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R"({"range": %s, "newText": "%s"})", Range::unparse(P.range).c_str(),
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llvm::yaml::escape(P.newText).c_str());
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return Result;
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}
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llvm::Optional<DidOpenTextDocumentParams>
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DidOpenTextDocumentParams::parse(llvm::yaml::MappingNode *Params) {
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DidOpenTextDocumentParams Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::MappingNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "textDocument") {
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auto Parsed = TextDocumentItem::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.textDocument = std::move(*Parsed);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<DidChangeTextDocumentParams>
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DidChangeTextDocumentParams::parse(llvm::yaml::MappingNode *Params) {
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DidChangeTextDocumentParams Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value = NextKeyValue.getValue();
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llvm::SmallString<10> Storage;
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if (KeyValue == "textDocument") {
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auto *Map = dyn_cast<llvm::yaml::MappingNode>(Value);
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if (!Map)
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return llvm::None;
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auto Parsed = TextDocumentIdentifier::parse(Map);
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if (!Parsed)
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return llvm::None;
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Result.textDocument = std::move(*Parsed);
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} else if (KeyValue == "contentChanges") {
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auto *Seq = dyn_cast<llvm::yaml::SequenceNode>(Value);
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if (!Seq)
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return llvm::None;
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for (auto &Item : *Seq) {
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auto *I = dyn_cast<llvm::yaml::MappingNode>(&Item);
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if (!I)
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return llvm::None;
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auto Parsed = TextDocumentContentChangeEvent::parse(I);
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if (!Parsed)
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return llvm::None;
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Result.contentChanges.push_back(std::move(*Parsed));
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}
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<TextDocumentContentChangeEvent>
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TextDocumentContentChangeEvent::parse(llvm::yaml::MappingNode *Params) {
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TextDocumentContentChangeEvent Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::ScalarNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "text") {
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Result.text = Value->getValue(Storage);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<FormattingOptions>
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FormattingOptions::parse(llvm::yaml::MappingNode *Params) {
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FormattingOptions Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::ScalarNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "tabSize") {
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long long Val;
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if (llvm::getAsSignedInteger(Value->getValue(Storage), 0, Val))
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return llvm::None;
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Result.tabSize = Val;
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} else if (KeyValue == "insertSpaces") {
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long long Val;
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StringRef Str = Value->getValue(Storage);
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if (llvm::getAsSignedInteger(Str, 0, Val)) {
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if (Str == "true")
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Val = 1;
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else if (Str == "false")
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Val = 0;
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else
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return llvm::None;
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}
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Result.insertSpaces = Val;
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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std::string FormattingOptions::unparse(const FormattingOptions &P) {
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std::string Result;
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llvm::raw_string_ostream(Result) << llvm::format(
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R"({"tabSize": %d, "insertSpaces": %d})", P.tabSize, P.insertSpaces);
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return Result;
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}
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llvm::Optional<DocumentRangeFormattingParams>
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DocumentRangeFormattingParams::parse(llvm::yaml::MappingNode *Params) {
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DocumentRangeFormattingParams Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::MappingNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "textDocument") {
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auto Parsed = TextDocumentIdentifier::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.textDocument = std::move(*Parsed);
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} else if (KeyValue == "range") {
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auto Parsed = Range::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.range = std::move(*Parsed);
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} else if (KeyValue == "options") {
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auto Parsed = FormattingOptions::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.options = std::move(*Parsed);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<DocumentOnTypeFormattingParams>
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DocumentOnTypeFormattingParams::parse(llvm::yaml::MappingNode *Params) {
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DocumentOnTypeFormattingParams Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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if (KeyValue == "ch") {
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auto *ScalarValue =
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dyn_cast_or_null<llvm::yaml::ScalarNode>(NextKeyValue.getValue());
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if (!ScalarValue)
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return llvm::None;
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llvm::SmallString<10> Storage;
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Result.ch = ScalarValue->getValue(Storage);
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continue;
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}
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auto *Value =
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dyn_cast_or_null<llvm::yaml::MappingNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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if (KeyValue == "textDocument") {
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auto Parsed = TextDocumentIdentifier::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.textDocument = std::move(*Parsed);
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} else if (KeyValue == "position") {
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auto Parsed = Position::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.position = std::move(*Parsed);
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} else if (KeyValue == "options") {
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auto Parsed = FormattingOptions::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.options = std::move(*Parsed);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<DocumentFormattingParams>
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DocumentFormattingParams::parse(llvm::yaml::MappingNode *Params) {
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DocumentFormattingParams Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value =
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dyn_cast_or_null<llvm::yaml::MappingNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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llvm::SmallString<10> Storage;
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if (KeyValue == "textDocument") {
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auto Parsed = TextDocumentIdentifier::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.textDocument = std::move(*Parsed);
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} else if (KeyValue == "options") {
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auto Parsed = FormattingOptions::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.options = std::move(*Parsed);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<Diagnostic> Diagnostic::parse(llvm::yaml::MappingNode *Params) {
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Diagnostic Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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llvm::SmallString<10> Storage;
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if (KeyValue == "range") {
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auto *Value =
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dyn_cast_or_null<llvm::yaml::MappingNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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auto Parsed = Range::parse(Value);
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if (!Parsed)
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return llvm::None;
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Result.range = std::move(*Parsed);
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} else if (KeyValue == "severity") {
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auto *Value =
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dyn_cast_or_null<llvm::yaml::ScalarNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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long long Val;
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if (llvm::getAsSignedInteger(Value->getValue(Storage), 0, Val))
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return llvm::None;
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Result.severity = Val;
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} else if (KeyValue == "message") {
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auto *Value =
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dyn_cast_or_null<llvm::yaml::ScalarNode>(NextKeyValue.getValue());
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if (!Value)
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return llvm::None;
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Result.message = Value->getValue(Storage);
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} else {
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return llvm::None;
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}
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}
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return Result;
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}
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llvm::Optional<CodeActionContext>
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CodeActionContext::parse(llvm::yaml::MappingNode *Params) {
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CodeActionContext Result;
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for (auto &NextKeyValue : *Params) {
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auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
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if (!KeyString)
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return llvm::None;
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llvm::SmallString<10> KeyStorage;
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StringRef KeyValue = KeyString->getValue(KeyStorage);
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auto *Value = NextKeyValue.getValue();
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llvm::SmallString<10> Storage;
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if (KeyValue == "diagnostics") {
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auto *Seq = dyn_cast<llvm::yaml::SequenceNode>(Value);
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if (!Seq)
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return llvm::None;
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for (auto &Item : *Seq) {
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auto *I = dyn_cast<llvm::yaml::MappingNode>(&Item);
|
|
if (!I)
|
|
return llvm::None;
|
|
auto Parsed = Diagnostic::parse(I);
|
|
if (!Parsed)
|
|
return llvm::None;
|
|
Result.diagnostics.push_back(std::move(*Parsed));
|
|
}
|
|
} else {
|
|
return llvm::None;
|
|
}
|
|
}
|
|
return Result;
|
|
}
|
|
|
|
llvm::Optional<CodeActionParams>
|
|
CodeActionParams::parse(llvm::yaml::MappingNode *Params) {
|
|
CodeActionParams Result;
|
|
for (auto &NextKeyValue : *Params) {
|
|
auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
|
|
if (!KeyString)
|
|
return llvm::None;
|
|
|
|
llvm::SmallString<10> KeyStorage;
|
|
StringRef KeyValue = KeyString->getValue(KeyStorage);
|
|
auto *Value =
|
|
dyn_cast_or_null<llvm::yaml::MappingNode>(NextKeyValue.getValue());
|
|
if (!Value)
|
|
return llvm::None;
|
|
|
|
llvm::SmallString<10> Storage;
|
|
if (KeyValue == "textDocument") {
|
|
auto Parsed = TextDocumentIdentifier::parse(Value);
|
|
if (!Parsed)
|
|
return llvm::None;
|
|
Result.textDocument = std::move(*Parsed);
|
|
} else if (KeyValue == "range") {
|
|
auto Parsed = Range::parse(Value);
|
|
if (!Parsed)
|
|
return llvm::None;
|
|
Result.range = std::move(*Parsed);
|
|
} else if (KeyValue == "context") {
|
|
auto Parsed = CodeActionContext::parse(Value);
|
|
if (!Parsed)
|
|
return llvm::None;
|
|
Result.context = std::move(*Parsed);
|
|
} else {
|
|
return llvm::None;
|
|
}
|
|
}
|
|
return Result;
|
|
}
|
|
|
|
llvm::Optional<TextDocumentPositionParams>
|
|
TextDocumentPositionParams::parse(llvm::yaml::MappingNode *Params) {
|
|
TextDocumentPositionParams Result;
|
|
for (auto &NextKeyValue : *Params) {
|
|
auto *KeyString = dyn_cast<llvm::yaml::ScalarNode>(NextKeyValue.getKey());
|
|
if (!KeyString)
|
|
return llvm::None;
|
|
|
|
llvm::SmallString<10> KeyStorage;
|
|
StringRef KeyValue = KeyString->getValue(KeyStorage);
|
|
auto *Value =
|
|
dyn_cast_or_null<llvm::yaml::MappingNode>(NextKeyValue.getValue());
|
|
if (!Value)
|
|
return llvm::None;
|
|
|
|
llvm::SmallString<10> Storage;
|
|
if (KeyValue == "textDocument") {
|
|
auto Parsed = TextDocumentIdentifier::parse(Value);
|
|
if (!Parsed)
|
|
return llvm::None;
|
|
Result.textDocument = std::move(*Parsed);
|
|
} else if (KeyValue == "position") {
|
|
auto Parsed = Position::parse(Value);
|
|
if (!Parsed)
|
|
return llvm::None;
|
|
Result.position = std::move(*Parsed);
|
|
} else {
|
|
return llvm::None;
|
|
}
|
|
}
|
|
return Result;
|
|
}
|
|
|
|
std::string CompletionItem::unparse(const CompletionItem &CI) {
|
|
std::string Result = "{";
|
|
llvm::raw_string_ostream Os(Result);
|
|
assert(!CI.label.empty() && "completion item label is required");
|
|
Os << R"("label":")" << llvm::yaml::escape(CI.label) << R"(",)";
|
|
if (CI.kind != CompletionItemKind::Missing)
|
|
Os << R"("kind":)" << static_cast<int>(CI.kind) << R"(",)";
|
|
if (!CI.detail.empty())
|
|
Os << R"("detail":")" << llvm::yaml::escape(CI.detail) << R"(",)";
|
|
if (!CI.documentation.empty())
|
|
Os << R"("documentation":")" << llvm::yaml::escape(CI.documentation)
|
|
<< R"(",)";
|
|
if (!CI.sortText.empty())
|
|
Os << R"("sortText":")" << llvm::yaml::escape(CI.sortText) << R"(",)";
|
|
if (!CI.filterText.empty())
|
|
Os << R"("filterText":")" << llvm::yaml::escape(CI.filterText) << R"(",)";
|
|
if (!CI.insertText.empty())
|
|
Os << R"("insertText":")" << llvm::yaml::escape(CI.insertText) << R"(",)";
|
|
if (CI.insertTextFormat != InsertTextFormat::Missing) {
|
|
Os << R"("insertTextFormat":")" << static_cast<int>(CI.insertTextFormat)
|
|
<< R"(",)";
|
|
}
|
|
if (CI.textEdit)
|
|
Os << R"("textEdit":)" << TextEdit::unparse(*CI.textEdit) << ',';
|
|
if (!CI.additionalTextEdits.empty()) {
|
|
Os << R"("additionalTextEdits":[)";
|
|
for (const auto &Edit : CI.additionalTextEdits)
|
|
Os << TextEdit::unparse(Edit) << ",";
|
|
Os.flush();
|
|
// The list additionalTextEdits is guaranteed nonempty at this point.
|
|
// Replace the trailing comma with right brace.
|
|
Result.back() = ']';
|
|
}
|
|
Os.flush();
|
|
// Label is required, so Result is guaranteed to have a trailing comma.
|
|
Result.back() = '}';
|
|
return Result;
|
|
}
|