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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "cppeditor_global.h"
#include "cppsemanticinfo.h"
#include "semantichighlighter.h"
#include <cplusplus/TypeOfExpression.h>
#include <QFuture>
#include <QSet>
#include <QThreadPool>
namespace CppEditor {
class CPPEDITOR_EXPORT CheckSymbols:
public QObject,
protected CPlusPlus::ASTVisitor,
public QRunnable,
public QFutureInterface<TextEditor::HighlightingResult>
{
Q_OBJECT
public:
~CheckSymbols() override;
using Result = TextEditor::HighlightingResult;
using Kind = SemanticHighlighter::Kind;
void run() override;
using Future = QFuture<Result>;
Future start()
{
this->setRunnable(this);
this->reportStarted();
Future future = this->future();
QThreadPool::globalInstance()->start(this, QThread::LowestPriority);
return future;
}
static Future go(CPlusPlus::Document::Ptr doc,
const CPlusPlus::LookupContext &context,
const QList<Result> ¯oUses);
static CheckSymbols * create(CPlusPlus::Document::Ptr doc,
const CPlusPlus::LookupContext &context,
const QList<Result> ¯oUses);
static QMap<int, QVector<Result> > chunks(const QFuture<Result> &future, int from, int to)
{
QMap<int, QVector<Result> > chunks;
for (int i = from; i < to; ++i) {
const Result use = future.resultAt(i);
if (use.isInvalid())
continue;
const int blockNumber = use.line - 1;
chunks[blockNumber].append(use);
}
return chunks;
}
signals:
void codeWarningsUpdated(CPlusPlus::Document::Ptr document,
const QList<CPlusPlus::Document::DiagnosticMessage> &selections);
protected:
using ASTVisitor::visit;
using ASTVisitor::endVisit;
enum FunctionKind
{
FunctionDeclaration,
FunctionCall
};
CheckSymbols(CPlusPlus::Document::Ptr doc,
const CPlusPlus::LookupContext &context,
const QList<Result> &otherUses);
bool hasVirtualDestructor(CPlusPlus::Class *klass) const;
bool hasVirtualDestructor(CPlusPlus::ClassOrNamespace *binding) const;
bool warning(unsigned line, unsigned column, const QString &text, unsigned length = 0);
bool warning(CPlusPlus::AST *ast, const QString &text);
QByteArray textOf(CPlusPlus::AST *ast) const;
bool maybeType(const CPlusPlus::Name *name) const;
bool maybeField(const CPlusPlus::Name *name) const;
bool maybeStatic(const CPlusPlus::Name *name) const;
bool maybeFunction(const CPlusPlus::Name *name) const;
void checkNamespace(CPlusPlus::NameAST *name);
void checkName(CPlusPlus::NameAST *ast, CPlusPlus::Scope *scope = nullptr);
CPlusPlus::ClassOrNamespace *checkNestedName(CPlusPlus::QualifiedNameAST *ast);
void addUse(const Result &use);
void addUse(unsigned tokenIndex, Kind kind);
void addUse(CPlusPlus::NameAST *name, Kind kind);
void addType(CPlusPlus::ClassOrNamespace *b, CPlusPlus::NameAST *ast);
bool maybeAddTypeOrStatic(const QList<CPlusPlus::LookupItem> &candidates,
CPlusPlus::NameAST *ast);
bool maybeAddField(const QList<CPlusPlus::LookupItem> &candidates,
CPlusPlus::NameAST *ast);
bool maybeAddFunction(const QList<CPlusPlus::LookupItem> &candidates,
CPlusPlus::NameAST *ast, int argumentCount,
FunctionKind functionKind);
bool isTemplateClass(CPlusPlus::Symbol *s) const;
CPlusPlus::Scope *enclosingScope() const;
CPlusPlus::FunctionDefinitionAST *enclosingFunctionDefinition(bool skipTopOfStack = false) const;
CPlusPlus::TemplateDeclarationAST *enclosingTemplateDeclaration() const;
bool preVisit(CPlusPlus::AST *) override;
void postVisit(CPlusPlus::AST *) override;
bool visit(CPlusPlus::NamespaceAST *) override;
bool visit(CPlusPlus::UsingDirectiveAST *) override;
bool visit(CPlusPlus::SimpleDeclarationAST *) override;
bool visit(CPlusPlus::TypenameTypeParameterAST *ast) override;
bool visit(CPlusPlus::TemplateTypeParameterAST *ast) override;
bool visit(CPlusPlus::FunctionDefinitionAST *ast) override;
bool visit(CPlusPlus::ParameterDeclarationAST *ast) override;
bool visit(CPlusPlus::ElaboratedTypeSpecifierAST *ast) override;
bool visit(CPlusPlus::ObjCProtocolDeclarationAST *ast) override;
bool visit(CPlusPlus::ObjCProtocolForwardDeclarationAST *ast) override;
bool visit(CPlusPlus::ObjCClassDeclarationAST *ast) override;
bool visit(CPlusPlus::ObjCClassForwardDeclarationAST *ast) override;
bool visit(CPlusPlus::ObjCProtocolRefsAST *ast) override;
bool visit(CPlusPlus::SimpleNameAST *ast) override;
bool visit(CPlusPlus::DestructorNameAST *ast) override;
bool visit(CPlusPlus::QualifiedNameAST *ast) override;
bool visit(CPlusPlus::TemplateIdAST *ast) override;
bool visit(CPlusPlus::MemberAccessAST *ast) override;
bool visit(CPlusPlus::CallAST *ast) override;
bool visit(CPlusPlus::ObjCSelectorArgumentAST *ast) override;
bool visit(CPlusPlus::NewExpressionAST *ast) override;
bool visit(CPlusPlus::GotoStatementAST *ast) override;
bool visit(CPlusPlus::LabeledStatementAST *ast) override;
bool visit(CPlusPlus::SimpleSpecifierAST *ast) override;
bool visit(CPlusPlus::ClassSpecifierAST *ast) override;
bool visit(CPlusPlus::MemInitializerAST *ast) override;
bool visit(CPlusPlus::EnumeratorAST *ast) override;
bool visit(CPlusPlus::DotDesignatorAST *ast) override;
CPlusPlus::NameAST *declaratorId(CPlusPlus::DeclaratorAST *ast) const;
static unsigned referenceToken(CPlusPlus::NameAST *name);
void flush();
private:
bool isConstructorDeclaration(CPlusPlus::Symbol *declaration);
CPlusPlus::Document::Ptr _doc;
CPlusPlus::LookupContext _context;
CPlusPlus::TypeOfExpression typeOfExpression;
QString _fileName;
QSet<QByteArray> _potentialTypes;
QSet<QByteArray> _potentialFields;
QSet<QByteArray> _potentialFunctions;
QSet<QByteArray> _potentialStatics;
QList<CPlusPlus::AST *> _astStack;
QVector<Result> _usages;
QList<CPlusPlus::Document::DiagnosticMessage> _diagMsgs;
int _chunkSize;
int _lineOfLastUsage;
QList<Result> _macroUses;
};
} // namespace CppEditor
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