qt-creator/tests/unit/unittest/gtest-creator-printing.cpp

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#include "gtest-creator-printing.h"

#include "gtest-qt-printing.h"

#include <gtest/gtest-printers.h>
#include <gmock/gmock-matchers.h>

#include <sourcelocations.h>

#include <builddependency.h>
#include <clangcodemodelclientmessages.h>
#include <clangcodemodelservermessages.h>
#include <clangdocumentsuspenderresumer.h>
#include <clangpathwatcher.h>
#include <clangrefactoringmessages.h>
#include <clangreferencescollector.h>
#include <filestatus.h>
#include <filepath.h>
#include <fulltokeninfo.h>
#include <nativefilepath.h>
#include <pchcreator.h>
#include <pchtask.h>
#include <precompiledheadersupdatedmessage.h>
#include <projectpartartefact.h>
#include <sourcedependency.h>
#include <sourcelocationentry.h>
#include <sourcelocationscontainer.h>
#include <tokenprocessor.h>
#include <filepathview.h>
#include <symbolentry.h>
#include <symbolindexertaskqueue.h>
#include <symbol.h>
#include <tooltipinfo.h>
#include <projectpartentry.h>
#include <usedmacro.h>

#include <cpptools/usages.h>

#include <projectexplorer/projectmacro.h>

#include <coreplugin/find/searchresultitem.h>
#include <coreplugin/locator/ilocatorfilter.h>

namespace {
ClangBackEnd::FilePathCaching *filePathCache = nullptr;
}

void PrintTo(const Utf8String &text, ::std::ostream *os)
{
    *os << text;
}

namespace Core {

std::ostream &operator<<(std::ostream &out, const LocatorFilterEntry &entry)
{
    out << "("
        << entry.displayName << ", ";

    if (entry.internalData.canConvert<ClangRefactoring::Symbol>())
        out << entry.internalData.value<ClangRefactoring::Symbol>();

    out << ")";

    return out;
}

namespace Search {

using testing::PrintToString;

class TextPosition;
class TextRange;

void PrintTo(const TextPosition &position, ::std::ostream *os)
{
    *os << "("
        << position.line << ", "
        << position.column << ", "
        << position.offset << ")";
}

void PrintTo(const TextRange &range, ::std::ostream *os)
{
    *os << "("
        << PrintToString(range.begin) << ", "
        << PrintToString(range.end) << ")";
}

} // namespace Search
} // namespace Core

namespace ProjectExplorer {

static const char *typeToString(const MacroType &type)
{
    switch (type) {
        case MacroType::Invalid: return "MacroType::Invalid";
        case MacroType::Define: return "MacroType::Define";
        case MacroType::Undefine: return  "MacroType::Undefine";
    }

    return "";
}

std::ostream &operator<<(std::ostream &out, const MacroType &type)
{
    out << typeToString(type);

    return out;
}

std::ostream &operator<<(std::ostream &out, const Macro &macro)
{
    out << "("
        << macro.key.data() << ", "
        << macro.value.data() << ", "
        << macro.type << ")";

  return out;
}

} // namespace ProjectExplorer

namespace Utils {

std::ostream &operator<<(std::ostream &out, const LineColumn &lineColumn)
{
    return out << "(" << lineColumn.line << ", " << lineColumn.column << ")";
}

void PrintTo(Utils::SmallStringView text, ::std::ostream *os)
{
    *os << "\"" << text << "\"";
}

void PrintTo(const Utils::SmallString &text, ::std::ostream *os)
{
    *os << "\"" << text << "\"";
}

void PrintTo(const Utils::PathString &text, ::std::ostream *os)
{
    *os << "\"" << text << "\"";
}

} // namespace Utils

namespace ClangBackEnd {

std::ostream &operator<<(std::ostream &out, const FilePathId &id)
{
    if (filePathCache)
        return out << "(" << id.filePathId << ", " << filePathCache->filePath(id) << ")";

    return out << id.filePathId;
}

std::ostream &operator<<(std::ostream &out, const FilePathView &filePathView)
{
    return out << "(" << filePathView.toStringView() << ", " << filePathView.slashIndex() << ")";
}

std::ostream &operator<<(std::ostream &out, const NativeFilePathView &nativeFilePathView)
{
    return out << "(" << nativeFilePathView.toStringView() << ", " << nativeFilePathView.slashIndex() << ")";
}

std::ostream &operator<<(std::ostream &out, const IdPaths &idPaths)
{
    out << "("
        << idPaths.id << ", "
        << idPaths.filePathIds << ")";

    return out;
}

#define RETURN_TEXT_FOR_CASE(enumValue) case SourceLocationKind::enumValue: return #enumValue
static const char *symbolTypeToCStringLiteral(ClangBackEnd::SourceLocationKind kind)
{
    switch (kind) {
    RETURN_TEXT_FOR_CASE(None);
    RETURN_TEXT_FOR_CASE(Declaration);
    RETURN_TEXT_FOR_CASE(DeclarationReference);
    RETURN_TEXT_FOR_CASE(Definition);
    RETURN_TEXT_FOR_CASE(MacroDefinition);
    RETURN_TEXT_FOR_CASE(MacroUsage);
    RETURN_TEXT_FOR_CASE(MacroUndefinition);
    }

    return "";
}
#undef RETURN_TEXT_FOR_CASE

std::ostream &operator<<(std::ostream &out, const SourceLocationEntry &entry)
{
    out << "("
        << entry.symbolId << ", "
        << entry.filePathId << ", "
        << entry.lineColumn << ", "
        << symbolTypeToCStringLiteral(entry.kind) << ")";

    return out;
}

std::ostream &operator<<(std::ostream &out, const WatcherEntry &entry)
{
    out << "("
        << entry.id << ", "
        << entry.pathId
        << ")";

    return out;
}

std::ostream &operator<<(std::ostream &os, const SourceLocationsContainer &container)
{
    os << "("
       << container.sourceLocationContainers()
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const FollowSymbolResult &result)
{
    os << "("
       << result.range
       << ", " << result.isResultOnlyForFallBack
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const FollowSymbolMessage &message)
{
      os << "("
         << message.fileContainer << ", "
         << message.ticketNumber << ", "
         << message.result << ", "
         << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const RequestCompletionsMessage &message)
{
    os << "("
       << message.filePath << ", "
       << message.line << ", "
       << message.column << ", "
       << message.projectPartId << ", "
       << message.ticketNumber << ", "
       << message.funcNameStartLine << ", "
       << message.funcNameStartColumn

       << ")";

     return os;
}

std::ostream &operator<<(std::ostream &os, const DocumentsOpenedMessage &message)
{
    os << "DocumentsOpenedMessage("
       << message.fileContainers << ", "
       << message.currentEditorFilePath << ", "
       << message.visibleEditorFilePaths << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const EndMessage &/*message*/)
{
    return os << "()";
}

std::ostream &operator<<(std::ostream &os, const CancelMessage &/*message*/)
{
    return os << "()";
}

std::ostream &operator<<(std::ostream &os, const AliveMessage &/*message*/)
{
    return os << "()";
}

std::ostream &operator<<(std::ostream &os, const CompletionsMessage &message)
{
    os << "("
       << message.codeCompletions << ", "
       << message.ticketNumber

       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const AnnotationsMessage &message)
{
    os << "AnnotationsMessage("
       << message.fileContainer
       << "," << message.diagnostics.size()
       << "," << !message.firstHeaderErrorDiagnostic.text.isEmpty()
       << "," << message.tokenInfos.size()
       << "," << message.skippedPreprocessorRanges.size()
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const ReferencesMessage &message)
{
      os << "("
         << message.fileContainer << ", "
         << message.ticketNumber << ", "
         << message.isLocalVariable << ", "
         << message.references << ", "
         << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const ToolTipMessage &message)
{
      os << "("
         << message.fileContainer << ", "
         << message.ticketNumber << ", "
         << message.toolTipInfo << ", "
         << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const EchoMessage &/*message*/)
{
     return os << "()";
}

std::ostream &operator<<(std::ostream &os, const DocumentsClosedMessage &message)
{
    os << "("
       << message.fileContainers
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const CodeCompletion &message)
{
    os << "("
       << message.text << ", "
       << message.priority << ", "
       << message.completionKind << ", "
       << message.availability << ", "
       << message.hasParameters
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const CodeCompletionChunk &chunk)
{
    os << "("
       << chunk.kind << ", "
       << chunk.text;

    if (chunk.isOptional)
        os << ", optional";

    os << ")";

    return os;
}

static const char *severityToText(DiagnosticSeverity severity)
{
    switch (severity) {
        case DiagnosticSeverity::Ignored: return "Ignored";
        case DiagnosticSeverity::Note: return "Note";
        case DiagnosticSeverity::Warning: return "Warning";
        case DiagnosticSeverity::Error: return "Error";
        case DiagnosticSeverity::Fatal: return "Fatal";
    }

    Q_UNREACHABLE();
}

std::ostream &operator<<(std::ostream &os, const DiagnosticContainer &container)
{
    os << "("
       << severityToText(container.severity) << ": "
       << container.text << ", "
       << container.category << ", "
       << container.enableOption << ", "
       << container.location << ", "
       << container.ranges << ", "
       << container.fixIts << ", "
       << container.children << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const DynamicASTMatcherDiagnosticContainer &container)
{
    os << "("
       <<  container.messages << ", "
        << container.contexts
        << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const DynamicASTMatcherDiagnosticContextContainer &container)
{
    os << "("
       << container.contextTypeText() << ", "
       << container.sourceRange << ", "
       << container.arguments
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const DynamicASTMatcherDiagnosticMessageContainer &container)
{
    os << "("
       << container.errorTypeText() << ", "
       << container.sourceRange << ", "
       << container.arguments
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const FileContainer &container)
{
    os << "("
        << container.filePath << ", "
        << container.compilationArguments << ", "
        << container.documentRevision << ", "
        << container.textCodecName;

    if (container.hasUnsavedFileContent)
        os << ", "
           << container.unsavedFileContent;

    os << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const FixItContainer &container)
{
    os << "("
       << container.text << ", "
       << container.range
       << ")";

    return os;
}

#define RETURN_TEXT_FOR_CASE(enumValue) case HighlightingType::enumValue: return #enumValue
static const char *highlightingTypeToCStringLiteral(HighlightingType type)
{
    switch (type) {
        RETURN_TEXT_FOR_CASE(Invalid);
        RETURN_TEXT_FOR_CASE(Comment);
        RETURN_TEXT_FOR_CASE(Keyword);
        RETURN_TEXT_FOR_CASE(StringLiteral);
        RETURN_TEXT_FOR_CASE(NumberLiteral);
        RETURN_TEXT_FOR_CASE(Function);
        RETURN_TEXT_FOR_CASE(VirtualFunction);
        RETURN_TEXT_FOR_CASE(Type);
        RETURN_TEXT_FOR_CASE(LocalVariable);
        RETURN_TEXT_FOR_CASE(GlobalVariable);
        RETURN_TEXT_FOR_CASE(Field);
        RETURN_TEXT_FOR_CASE(Enumeration);
        RETURN_TEXT_FOR_CASE(Operator);
        RETURN_TEXT_FOR_CASE(Preprocessor);
        RETURN_TEXT_FOR_CASE(Label);
        RETURN_TEXT_FOR_CASE(FunctionDefinition);
        RETURN_TEXT_FOR_CASE(OutputArgument);
        RETURN_TEXT_FOR_CASE(OverloadedOperator);
        RETURN_TEXT_FOR_CASE(PreprocessorDefinition);
        RETURN_TEXT_FOR_CASE(PreprocessorExpansion);
        RETURN_TEXT_FOR_CASE(PrimitiveType);
        RETURN_TEXT_FOR_CASE(Punctuation);
        RETURN_TEXT_FOR_CASE(Declaration);
        RETURN_TEXT_FOR_CASE(Namespace);
        RETURN_TEXT_FOR_CASE(Class);
        RETURN_TEXT_FOR_CASE(Struct);
        RETURN_TEXT_FOR_CASE(Enum);
        RETURN_TEXT_FOR_CASE(Union);
        RETURN_TEXT_FOR_CASE(TypeAlias);
        RETURN_TEXT_FOR_CASE(Typedef);
        RETURN_TEXT_FOR_CASE(QtProperty);
        RETURN_TEXT_FOR_CASE(ObjectiveCClass);
        RETURN_TEXT_FOR_CASE(ObjectiveCCategory);
        RETURN_TEXT_FOR_CASE(ObjectiveCProtocol);
        RETURN_TEXT_FOR_CASE(ObjectiveCInterface);
        RETURN_TEXT_FOR_CASE(ObjectiveCImplementation);
        RETURN_TEXT_FOR_CASE(ObjectiveCProperty);
        RETURN_TEXT_FOR_CASE(ObjectiveCMethod);
        RETURN_TEXT_FOR_CASE(TemplateTypeParameter);
        RETURN_TEXT_FOR_CASE(TemplateTemplateParameter);
    }

    return "";
}
#undef RETURN_TEXT_FOR_CASE

std::ostream &operator<<(std::ostream &os, HighlightingType highlightingType)
{
    return os << highlightingTypeToCStringLiteral(highlightingType);
}

std::ostream &operator<<(std::ostream &os, HighlightingTypes types)
{
    os << "("
       << types.mainHighlightingType;

    if (!types.mixinHighlightingTypes.empty())
       os << ", "<< types.mixinHighlightingTypes;

    os << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const ExtraInfo &extraInfo)
{
    os << "("
       << extraInfo.token << ", "
       << extraInfo.typeSpelling << ", "
       << extraInfo.semanticParentTypeSpelling << ", "
       << static_cast<uint>(extraInfo.accessSpecifier) << ", "
       << static_cast<uint>(extraInfo.storageClass) << ", "
       << extraInfo.identifier << ", "
       << extraInfo.includeDirectivePath << ", "
       << extraInfo.declaration << ", "
       << extraInfo.definition << ", "
       << extraInfo.signal << ", "
       << extraInfo.slot
       << ")";
    return os;
}

std::ostream &operator<<(std::ostream &os, const TokenInfoContainer &container)
{
    os << "("
       << container.line << ", "
       << container.column << ", "
       << container.length << ", "
       << container.types << ", "
       << container.extraInfo << ", "
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &out, const NativeFilePath &filePath)
{
    return out << "(" << filePath.path() << ", " << filePath.slashIndex() << ")";
}

std::ostream &operator<<(std::ostream &out, const PrecompiledHeadersUpdatedMessage &message)
{
    out << "("
        << message.projectPartPchs
        << ")";

    return out;
}

std::ostream &operator<<(std::ostream &out, const ProjectPartPch &projectPartPch)
{
    out << "("
        << projectPartPch.projectPartId << ", "
        << projectPartPch.pchPath << ", "
        << projectPartPch.lastModified << ")";

    return out;
}

std::ostream &operator<<(std::ostream &os, const UnsavedFilesUpdatedMessage &message)
{
    os << "("
       << message.fileContainers
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const RequestAnnotationsMessage &message)
{
    os << "("
       << message.fileContainer.filePath << ","
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &out, const RemoveProjectPartsMessage &message)
{
    return out << "(" << message.projectsPartIds << ")";
}

std::ostream &operator<<(std::ostream &os, const RequestFollowSymbolMessage &message)
{
    os << "("
       << message.fileContainer << ", "
       << message.ticketNumber << ", "
       << message.line << ", "
       << message.column << ", "
       << ")";

     return os;
}

std::ostream &operator<<(std::ostream &os, const RequestReferencesMessage &message)
{
    os << "("
       << message.fileContainer << ", "
       << message.ticketNumber << ", "
       << message.line << ", "
       << message.column << ", "
       << message.local << ", "
       << ")";

     return os;
}

std::ostream &operator<<(std::ostream &out, const RequestToolTipMessage &message)
{
    out << "("
        << message.fileContainer << ", "
        << message.ticketNumber << ", "
        << message.line << ", "
        << message.column << ", "
        << ")";

     return out;
}

std::ostream &operator<<(std::ostream &os, const ToolTipInfo::QdocCategory category)
{
    return os << qdocCategoryToString(category);
}

std::ostream &operator<<(std::ostream &out, const ToolTipInfo &info)
{
    out << "("
       << info.text << ", "
       << info.briefComment << ", "
       << info.qdocIdCandidates << ", "
       << info.qdocMark << ", "
       << info.qdocCategory
       << info.sizeInBytes << ", "
       << ")";

    return out;
}

std::ostream &operator<<(std::ostream &os, const RequestSourceLocationsForRenamingMessage &message)
{
    os << "("
       << message.filePath << ", "
       << message.line << ", "
       << message.column << ", "
       << message.unsavedContent << ", "
       << message.commandLine
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const RequestSourceRangesAndDiagnosticsForQueryMessage &message)
{
    os << "("
       << message.query << ", "
       << message.source
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const RequestSourceRangesForQueryMessage &message)
{
    os << "("
       << message.query
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const SourceLocationContainer &container)
{
    os << "("
       << container.filePath << ", "
       << container.line << ", "
       << container.column
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const SourceLocationsForRenamingMessage &message)
{
    os << "("
        << message.symbolName << ", "
        << message.textDocumentRevision << ", "
        << message.sourceLocations
        << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const SourceRangeContainer &container)
{
    os << "("
       << container.start << ", "
       << container.end
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const SourceRangesAndDiagnosticsForQueryMessage &message)
{
    os << "("
        << message.sourceRanges << ", "
        << message.diagnostics
        << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const SourceRangesContainer &container)
{
    os << "("
       << container.sourceRangeWithTextContainers
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const SourceRangesForQueryMessage &message)
{
    os << "("
        << message.sourceRanges
        << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const SourceRangeWithTextContainer &container)
{

    os << "("
        << container.start << ", "
        << container.end << ", "
        << container.text
        << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const UnsavedFilesRemovedMessage &message)
{
    os << "("
        << message.fileContainers
        << ")";

    return os;
}

std::ostream &operator<<(std::ostream &out, const UpdateProjectPartsMessage &message)
{
    return out << "("
               << message.projectsParts
               << ")";
}

std::ostream &operator<<(std::ostream &os, const DocumentsChangedMessage &message)
{
    os << "DocumentsChangedMessage("
       << message.fileContainers
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const DocumentVisibilityChangedMessage &message)
{
    os << "("
       << message.currentEditorFilePath  << ", "
       << message.visibleEditorFilePaths
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const TokenInfo &tokenInfo)
{
    os << "(type: " << tokenInfo.types() << ", "
       << " line: " << tokenInfo.line() << ", "
       << " column: " << tokenInfo.column() << ", "
       << " length: " << tokenInfo.length()
       << ")";

    return  os;
}

template<class T>
std::ostream &operator<<(std::ostream &out, const TokenProcessor<T> &tokenInfos)
{
    out << "[";

    for (const T &entry : tokenInfos)
        out << entry;

    out << "]";

    return out;
}

template
std::ostream &operator<<(std::ostream &out, const TokenProcessor<TokenInfo> &tokenInfos);
template
std::ostream &operator<<(std::ostream &out, const TokenProcessor<FullTokenInfo> &tokenInfos);

std::ostream &operator<<(std::ostream &out, const FilePath &filePath)
{
    return out << "(" << filePath.path() << ", " << filePath.slashIndex() << ")";
}

std::ostream &operator<<(std::ostream &out, const ProjectPartEntry &projectPartEntry)
{
    return out << "("
               << projectPartEntry.projectPathName
               << ", "
               << projectPartEntry.filePathIds
               << ")";
}

std::ostream &operator<<(std::ostream &out, const UsedMacro &usedMacro)
{
    return out << "("
               << usedMacro.filePathId
               << ", "
               << usedMacro.macroName
               << ")";
}

std::ostream &operator<<(std::ostream &out, const FileStatus &fileStatus)
{
    return out << "("
               << fileStatus.filePathId
               << ", "
               << fileStatus.size
               << ", "
               << fileStatus.lastModified
               << ")";
}

std::ostream &operator<<(std::ostream &out, const SourceDependency &sourceDependency)
{
    return out << "("
               << sourceDependency.filePathId
               << ", "
               << sourceDependency.dependencyFilePathId
               << ")";
}

std::ostream &operator<<(std::ostream &out, const ProjectPartArtefact &projectPartArtefact)
{
    return out << "("
               << projectPartArtefact.compilerArguments << ", "
               << projectPartArtefact.compilerMacros
               <<")";
}

std::ostream &operator<<(std::ostream &out, const CompilerMacro &compilerMacro)
{
    return out << "("
               << compilerMacro.key << ", "
               << compilerMacro.value
               << ")";
}

std::ostream &operator<<(std::ostream &out, const SymbolEntry &entry)
{
    out << "("
        << entry.symbolName << ", "
        << entry.usr << ", "
        << entry.symbolKind <<")";

    return out;
}

const char *symbolKindString(SymbolKind symbolKind)
{
    using ClangBackEnd::SymbolKind;

    switch (symbolKind) {
    case SymbolKind::None: return "None";
    case SymbolKind::Enumeration: return "Enumeration";
    case SymbolKind::Record: return "Record";
    case SymbolKind::Function: return "Function";
    case SymbolKind::Variable: return "Variable";
    case SymbolKind::Macro: return "Macro";
    }

    return "";
}

std::ostream &operator<<(std::ostream &out, SymbolKind symbolKind)
{
    return out << symbolKindString(symbolKind);
}

const char *symbolTagString(SymbolTag symbolTag)
{
    using ClangBackEnd::SymbolTag;

    switch (symbolTag) {
    case SymbolTag::None: return "None";
    case SymbolTag::Class: return "Class";
    case SymbolTag::Struct: return "Struct";
    case SymbolTag::Union: return "Union";
    case SymbolTag::MsvcInterface: return "MsvcInterface";
    }

    return "";
}

std::ostream &operator<<(std::ostream &out, SymbolTag symbolTag)
{
    return out << symbolTagString(symbolTag);
}

std::ostream &operator<<(std::ostream &out, SymbolTags symbolTags)
{
    std::copy(symbolTags.cbegin(), symbolTags.cend(), std::ostream_iterator<SymbolTag>(out, ", "));

    return out;
}

std::ostream &operator<<(std::ostream &out, const UpdateGeneratedFilesMessage &message)
{
    return out << "(" << message.generatedFiles << ")";
}

std::ostream &operator<<(std::ostream &out, const RemoveGeneratedFilesMessage &message)
{
    return out << "(" << message.generatedFiles << ")";
}

std::ostream &operator<<(std::ostream &out, const SuspendResumeJobsEntry &entry)
{
    return out << "("
               << entry.document.filePath() << ", "
               << entry.jobRequestType << ", "
               << entry.preferredTranslationUnit
               << ")";
}

std::ostream &operator<<(std::ostream &os, const ReferencesResult &value)
{
    os << "ReferencesResult(";
    os << value.isLocalVariable << ", {";
    for (const SourceRangeContainer &r : value.references) {
        os << r.start.line << ",";
        os << r.start.column << ",";
        EXPECT_THAT(r.start.line, testing::Eq(r.end.line));
        os << r.end.column - r.start.column << ",";
    }
    os << "})";

    return os;
}

std::ostream &operator<<(std::ostream &out, const SymbolIndexerTask &task)
{
    return out << "(" << task.filePathId << ", " << task.projectPartId << ")";
}

std::ostream &operator<<(std::ostream &out, const PchCreatorIncludes &includes)
{
    return out << "(" << includes.includeIds << ", " << includes.topIncludeIds << ", " << includes.topSystemIncludeIds << ")";
}
std::ostream &operator<<(std::ostream &out, const PchTask &task)
{
    return out << "(" << task.ids << ", " << task.buildDependency << ")";
}

std::ostream &operator<<(std::ostream &out, const BuildDependency &dependency)
{
    return out << "(\n"
               << "includes: " << dependency.includes << ",\n"
               << "usedMacros: " << dependency.usedMacros  << ",\n"
               << "fileStatuses: " << dependency.fileStatuses  << ",\n"
               << "sourceFiles: " << dependency.sourceFiles  << ",\n"
               << "sourceDependencies: " << dependency.sourceDependencies  << ",\n"
               << ")";
}

const char *sourceTypeString(SourceType sourceType)
{
    using ClangBackEnd::SymbolTag;

    switch (sourceType) {
        case SourceType::TopInclude:
            return "TopInclude";
        case SourceType::TopSystemInclude:
            return "TopSystemInclude";
        case SourceType::SystemInclude:
            return "SystemInclude";
        case SourceType::UserInclude:
            return "UserInclude";
    }

    return "";
}

std::ostream &operator<<(std::ostream &out, const SourceEntry &entry)
{
    return out  << "(" << entry.sourceId << ", " << sourceTypeString(entry.sourceType) << ")";
}

void PrintTo(const FilePath &filePath, ::std::ostream *os)
{
    *os << filePath;
}

void PrintTo(const FilePathView &filePathView, ::std::ostream *os)
{
    *os << filePathView;
}

void PrintTo(const FilePathId &filePathId, ::std::ostream *os)
{
    *os << filePathId;
}

namespace V2 {

std::ostream &operator<<(std::ostream &os, const FileContainer &container)
{
    os << "("
        << container.filePath << ", "
        << container.commandLineArguments << ", "
        << container.documentRevision;

    if (container.unsavedFileContent.hasContent())
        os << ", \""
            << container.unsavedFileContent;

    os << "\")";

    return os;
}

std::ostream &operator<<(std::ostream &out, const ProjectPartContainer &container)
{
    out << "("
        << container.projectPartId << ", "
        << container.arguments << ", "
        << container.headerPathIds << ", "
        << container.sourcePathIds << ", "
        << container.compilerMacros << ", "
        << container.includeSearchPaths << ")";

    return out;
}

std::ostream &operator<<(std::ostream &os, const SourceLocationContainer &container)
{
    os << "("
       << container.filePathId.filePathId << ", "
       << container.line << ", "
       << container.column << ", "
       << container.offset
       << ")";

    return os;
}

std::ostream &operator<<(std::ostream &os, const SourceRangeContainer &container)
{
    os << "("
       << container.start << ", "
       << container.end
       << ")";

    return os;
}

} // namespace V2

} // namespace ClangBackEnd

namespace ClangRefactoring {
std::ostream &operator<<(std::ostream &out, const SourceLocation &location)
{
    return out << "(" << location.filePathId << ", " << location.lineColumn << ")";
}

std::ostream &operator<<(std::ostream &out, const Symbol &symbol)
{
    return out << "(" << symbol.name << ", " << symbol.symbolId << ", " << symbol.signature << ")";
}
} // namespace ClangRefactoring


namespace CppTools {
class Usage;

std::ostream &operator<<(std::ostream &out, const Usage &usage)
{
    return out << "(" << usage.path << ", " << usage.line << ", " << usage.column <<")";
}
} // namespace CppTools

void setFilePathCache(ClangBackEnd::FilePathCaching *cache)
{
    filePathCache = cache;
}