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/****************************************************************************
**
** Copyright (C) 2021 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 "clangdquickfixes.h"
#include "clangdclient.h"
#include "clangmodelmanagersupport.h"
#include <texteditor/codeassist/genericproposal.h>
using namespace LanguageClient;
using namespace LanguageServerProtocol;
using namespace TextEditor;
namespace ClangCodeModel {
namespace Internal {
ClangdQuickFixFactory::ClangdQuickFixFactory() = default;
void ClangdQuickFixFactory::match(const CppEditor::Internal::CppQuickFixInterface &interface,
QuickFixOperations &result)
{
const auto client = ClangModelManagerSupport::clientForFile(interface.filePath());
if (!client)
return;
const auto uri = DocumentUri::fromFilePath(interface.filePath());
QTextCursor cursor(interface.textDocument());
cursor.setPosition(interface.position());
cursor.select(QTextCursor::LineUnderCursor);
const QList<Diagnostic> &diagnostics = client->diagnosticsAt(uri, cursor);
for (const Diagnostic &diagnostic : diagnostics) {
ClangdDiagnostic clangdDiagnostic(diagnostic);
if (const auto actions = clangdDiagnostic.codeActions()) {
for (const CodeAction &action : *actions)
result << new LanguageClient::CodeActionQuickFixOperation(action, client);
}
}
}
class ClangdQuickFixProcessor : public LanguageClientQuickFixAssistProcessor
{
public:
ClangdQuickFixProcessor(LanguageClient::Client *client)
: LanguageClientQuickFixAssistProcessor(client)
{
}
private:
IAssistProposal *perform(const AssistInterface *interface) override
{
m_interface = interface;
// Step 1: Collect clangd code actions asynchronously
LanguageClientQuickFixAssistProcessor::perform(interface);
// Step 2: Collect built-in quickfixes synchronously
m_builtinOps = CppEditor::quickFixOperations(interface);
return nullptr;
}
TextEditor::GenericProposal *handleCodeActionResult(const CodeActionResult &result) override
{
auto toOperation =
[=](const std::variant<Command, CodeAction> &item) -> QuickFixOperation * {
if (auto action = std::get_if<CodeAction>(&item)) {
const Utils::optional<QList<Diagnostic>> diagnostics = action->diagnostics();
if (!diagnostics.has_value() || diagnostics->isEmpty())
return new CodeActionQuickFixOperation(*action, client());
}
if (auto command = std::get_if<Command>(&item))
return new CommandQuickFixOperation(*command, client());
return nullptr;
};
if (auto list = std::get_if<QList<std::variant<Command, CodeAction>>>(&result)) {
QuickFixOperations ops;
for (const std::variant<Command, CodeAction> &item : *list) {
if (QuickFixOperation *op = toOperation(item)) {
op->setDescription("clangd: " + op->description());
ops << op;
}
}
return GenericProposal::createProposal(m_interface, ops + m_builtinOps);
}
return nullptr;
}
QuickFixOperations m_builtinOps;
const AssistInterface *m_interface = nullptr;
};
ClangdQuickFixProvider::ClangdQuickFixProvider(ClangdClient *client)
: LanguageClientQuickFixProvider(client) {}
IAssistProcessor *ClangdQuickFixProvider::createProcessor(const AssistInterface *) const
{
return new ClangdQuickFixProcessor(client());
}
} // namespace Internal
} // namespace ClangCodeModel
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