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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "cppbuiltinmodelmanagersupport.h"
#include "builtineditordocumentprocessor.h"
#include "cppcanonicalsymbol.h"
#include "cppcompletionassist.h"
#include "cppeditortr.h"
#include "cppeditorwidget.h"
#include "cppelementevaluator.h"
#include "cppfollowsymbolundercursor.h"
#include "cpptoolsreuse.h"
#include "symbolfinder.h"
#include <coreplugin/messagemanager.h>
#include <texteditor/basehoverhandler.h>
#include <utils/qtcassert.h>
#include <utils/textutils.h>
#include <QCoreApplication>
#include <QFile>
#include <QScopeGuard>
#include <QTextDocument>
using namespace Core;
using namespace TextEditor;
using namespace Utils;
namespace CppEditor::Internal {
namespace {
class CppHoverHandler : public TextEditor::BaseHoverHandler
{
private:
void identifyMatch(TextEditor::TextEditorWidget *editorWidget,
int pos,
ReportPriority report) override
{
if (CppModelManager::usesClangd(editorWidget->textDocument())) {
report(Priority_None);
return;
}
const QScopeGuard cleanup([this, report] { report(priority()); });
QTextCursor tc(editorWidget->document());
tc.setPosition(pos);
CppElementEvaluator evaluator(editorWidget);
evaluator.setTextCursor(tc);
evaluator.execute();
QString tip;
if (evaluator.hasDiagnosis()) {
tip += evaluator.diagnosis();
setPriority(Priority_Diagnostic);
}
const FilePath filePath = editorWidget->textDocument()->filePath();
const QStringList fallback = identifierWordsUnderCursor(tc);
const std::shared_ptr<CppElement> &cppElement = evaluator.cppElement();
if (cppElement) {
const QStringList candidates = cppElement->helpIdCandidates;
const HelpItem helpItem(candidates + fallback,
filePath,
cppElement->helpMark,
cppElement->helpCategory);
setLastHelpItemIdentified(helpItem);
if (!helpItem.isValid())
tip += cppElement->tooltip;
} else {
setLastHelpItemIdentified({fallback, filePath, {}, HelpItem::Unknown});
}
setToolTip(tip);
}
};
} // anonymous namespace
BuiltinModelManagerSupport::BuiltinModelManagerSupport()
: m_completionAssistProvider(new InternalCompletionAssistProvider),
m_followSymbol(new FollowSymbolUnderCursor)
{
}
BuiltinModelManagerSupport::~BuiltinModelManagerSupport() = default;
BaseEditorDocumentProcessor *BuiltinModelManagerSupport::createEditorDocumentProcessor(
TextEditor::TextDocument *baseTextDocument)
{
return new BuiltinEditorDocumentProcessor(baseTextDocument);
}
CppCompletionAssistProvider *BuiltinModelManagerSupport::completionAssistProvider()
{
return m_completionAssistProvider.data();
}
TextEditor::BaseHoverHandler *BuiltinModelManagerSupport::createHoverHandler()
{
return new CppHoverHandler;
}
void BuiltinModelManagerSupport::followSymbol(const CursorInEditor &data,
const Utils::LinkHandler &processLinkCallback,
FollowSymbolMode mode,
bool resolveTarget, bool inNextSplit)
{
// findMatchingDefinition() has an "strict" parameter, but it doesn't seem worth to
// pass the mode down all the way. In practice, we are always fuzzy.
Q_UNUSED(mode)
SymbolFinder finder;
m_followSymbol->findLink(data, processLinkCallback,
resolveTarget, CppModelManager::snapshot(),
data.editorWidget() ? data.editorWidget()->semanticInfo().doc : data.cppDocument(),
&finder, inNextSplit);
}
void BuiltinModelManagerSupport::followSymbolToType(const CursorInEditor &data,
const Utils::LinkHandler &processLinkCallback,
bool inNextSplit)
{
Q_UNUSED(data)
Q_UNUSED(processLinkCallback)
Q_UNUSED(inNextSplit)
MessageManager::writeDisrupting(
Tr::tr("Follow Symbol to Type is only available when using clangd"));
}
void BuiltinModelManagerSupport::switchDeclDef(const CursorInEditor &data,
const Utils::LinkHandler &processLinkCallback)
{
SymbolFinder finder;
m_followSymbol->switchDeclDef(data, processLinkCallback,
CppModelManager::snapshot(), data.editorWidget()->semanticInfo().doc,
&finder);
}
void BuiltinModelManagerSupport::startLocalRenaming(const CursorInEditor &data,
const ProjectPart *,
RenameCallback &&renameSymbolsCallback)
{
CppEditorWidget *editorWidget = data.editorWidget();
QTC_ASSERT(editorWidget, renameSymbolsCallback(QString(), {}, 0); return;);
editorWidget->updateSemanticInfo();
// Call empty callback
renameSymbolsCallback(QString(), {}, data.cursor().document()->revision());
}
void BuiltinModelManagerSupport::globalRename(const CursorInEditor &data,
const QString &replacement,
const std::function<void()> &callback)
{
CppEditorWidget *editorWidget = data.editorWidget();
QTC_ASSERT(editorWidget, return;);
SemanticInfo info = editorWidget->semanticInfo();
info.snapshot = CppModelManager::snapshot();
info.snapshot.insert(info.doc);
const QTextCursor &cursor = data.cursor();
if (const CPlusPlus::Macro *macro = findCanonicalMacro(cursor, info.doc)) {
CppModelManager::renameMacroUsages(*macro, replacement);
} else {
Internal::CanonicalSymbol cs(info.doc, info.snapshot);
CPlusPlus::Symbol *canonicalSymbol = cs(cursor);
if (canonicalSymbol)
CppModelManager::renameUsages(canonicalSymbol, cs.context(), replacement, callback);
}
}
void BuiltinModelManagerSupport::findUsages(const CursorInEditor &data) const
{
CppEditorWidget *editorWidget = data.editorWidget();
QTC_ASSERT(editorWidget, return;);
SemanticInfo info = editorWidget->semanticInfo();
info.snapshot = CppModelManager::snapshot();
info.snapshot.insert(info.doc);
const QTextCursor &cursor = data.cursor();
if (const CPlusPlus::Macro *macro = findCanonicalMacro(cursor, info.doc)) {
CppModelManager::findMacroUsages(*macro);
} else {
Internal::CanonicalSymbol cs(info.doc, info.snapshot);
CPlusPlus::Symbol *canonicalSymbol = cs(cursor);
if (canonicalSymbol)
CppModelManager::findUsages(canonicalSymbol, cs.context());
}
}
void BuiltinModelManagerSupport::switchHeaderSource(const FilePath &filePath,
bool inNextSplit)
{
const FilePath otherFile = correspondingHeaderOrSource(filePath);
if (!otherFile.isEmpty())
openEditor(otherFile, inNextSplit);
}
void BuiltinModelManagerSupport::checkUnused(const Utils::Link &link, SearchResult *search,
const Utils::LinkHandler &callback)
{
CPlusPlus::Snapshot snapshot = CppModelManager::snapshot();
QFile file(link.targetFilePath.toString());
if (!file.open(QIODevice::ReadOnly))
return callback(link);
const QByteArray &contents = file.readAll();
CPlusPlus::Document::Ptr cppDoc = snapshot.preprocessedDocument(contents, link.targetFilePath);
if (!cppDoc->parse())
return callback(link);
cppDoc->check();
snapshot.insert(cppDoc);
QTextDocument doc(QString::fromUtf8(contents));
QTextCursor cursor(&doc);
cursor.setPosition(Utils::Text::positionInText(&doc, link.targetLine, link.targetColumn + 1));
Internal::CanonicalSymbol cs(cppDoc, snapshot);
CPlusPlus::Symbol *canonicalSymbol = cs(cursor);
if (!canonicalSymbol || !canonicalSymbol->identifier())
return callback(link);
CppModelManager::checkForUnusedSymbol(search, link, canonicalSymbol, cs.context(), callback);
}
} // namespace CppEditor::Internal
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